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Finding the Fourth Proportional to 202,432.80, 303,656.40 and 62,191.20

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Solution

The fourth proportional to 202,432.80, 303,656.40 and 62,191.20 is: 93,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,432.80 : 303,656.40 = 62,191.20 : x
  2. Step 2: Convert to fraction form
    202,432.80/303,656.40 = 62,191.20/x
  3. Step 3: Cross multiply
    202,432.80x = 303,656.40 × 62,191.20
  4. Step 4: Simplify right side
    202,432.80x = 18,884,755,903.68
  5. Step 5: Solve for x
    x = 18,884,755,903.68/202,432.80
  6. Step 6: Final answer
    x = 93,289.01

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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.