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Finding the Fourth Proportional to 99,633.66, 149,483.30 and 40,453.44

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Solution

The fourth proportional to 99,633.66, 149,483.30 and 40,453.44 is: 60,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.66 : 149,483.30 = 40,453.44 : x
  2. Step 2: Convert to fraction form
    99,633.66/149,483.30 = 40,453.44/x
  3. Step 3: Cross multiply
    99,633.66x = 149,483.30 × 40,453.44
  4. Step 4: Simplify right side
    99,633.66x = 6,047,113,707.55
  5. Step 5: Solve for x
    x = 6,047,113,707.55/99,633.66
  6. Step 6: Final answer
    x = 60,693.48

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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.