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Finding the Fourth Proportional to 202,331.52, 303,470.64 and 62,078.40

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Solution

The fourth proportional to 202,331.52, 303,470.64 and 62,078.40 is: 93,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,331.52 : 303,470.64 = 62,078.40 : x
  2. Step 2: Convert to fraction form
    202,331.52/303,470.64 = 62,078.40/x
  3. Step 3: Cross multiply
    202,331.52x = 303,470.64 × 62,078.40
  4. Step 4: Simplify right side
    202,331.52x = 18,838,971,778.18
  5. Step 5: Solve for x
    x = 18,838,971,778.18/202,331.52
  6. Step 6: Final answer
    x = 93,109.43

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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.