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Finding the Fourth Proportional to 202,657.28, 304,002.79 and 60,493.16

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Solution

The fourth proportional to 202,657.28, 304,002.79 and 60,493.16 is: 90,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,657.28 : 304,002.79 = 60,493.16 : x
  2. Step 2: Convert to fraction form
    202,657.28/304,002.79 = 60,493.16/x
  3. Step 3: Cross multiply
    202,657.28x = 304,002.79 × 60,493.16
  4. Step 4: Simplify right side
    202,657.28x = 18,390,090,024.69
  5. Step 5: Solve for x
    x = 18,390,090,024.69/202,657.28
  6. Step 6: Final answer
    x = 90,744.78

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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.