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Finding the Fourth Proportional to 99,658.10, 149,487.15 and 94,214.90

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Solution

The fourth proportional to 99,658.10, 149,487.15 and 94,214.90 is: 141,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,658.10 : 149,487.15 = 94,214.90 : x
  2. Step 2: Convert to fraction form
    99,658.10/149,487.15 = 94,214.90/x
  3. Step 3: Cross multiply
    99,658.10x = 149,487.15 × 94,214.90
  4. Step 4: Simplify right side
    99,658.10x = 14,083,916,888.54
  5. Step 5: Solve for x
    x = 14,083,916,888.54/99,658.10
  6. Step 6: Final answer
    x = 141,322.35

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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.