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Finding the Fourth Proportional to 99,513,000.90, 149,269,501.35 and 99,513,000.90

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Solution

The fourth proportional to 99,513,000.90, 149,269,501.35 and 99,513,000.90 is: 149,269,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513,000.90 : 149,269,501.35 = 99,513,000.90 : x
  2. Step 2: Convert to fraction form
    99,513,000.90/149,269,501.35 = 99,513,000.90/x
  3. Step 3: Cross multiply
    99,513,000.90x = 149,269,501.35 × 99,513,000.90
  4. Step 4: Simplify right side
    99,513,000.90x = 14,854,256,022,185,102
  5. Step 5: Solve for x
    x = 14,854,256,022,185,102/99,513,000.90
  6. Step 6: Final answer
    x = 149,269,501.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.