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Finding the Fourth Proportional to 169,078.44, 253,634.55 and 62,490.39

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Solution

The fourth proportional to 169,078.44, 253,634.55 and 62,490.39 is: 93,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,078.44 : 253,634.55 = 62,490.39 : x
  2. Step 2: Convert to fraction form
    169,078.44/253,634.55 = 62,490.39/x
  3. Step 3: Cross multiply
    169,078.44x = 253,634.55 × 62,490.39
  4. Step 4: Simplify right side
    169,078.44x = 15,849,721,946.97
  5. Step 5: Solve for x
    x = 15,849,721,946.97/169,078.44
  6. Step 6: Final answer
    x = 93,741.83

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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.