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Finding the Fourth Proportional to 137,293.92, 205,936.56 and 62,359.20

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Solution

The fourth proportional to 137,293.92, 205,936.56 and 62,359.20 is: 93,536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,293.92 : 205,936.56 = 62,359.20 : x
  2. Step 2: Convert to fraction form
    137,293.92/205,936.56 = 62,359.20/x
  3. Step 3: Cross multiply
    137,293.92x = 205,936.56 × 62,359.20
  4. Step 4: Simplify right side
    137,293.92x = 12,842,039,132.35
  5. Step 5: Solve for x
    x = 12,842,039,132.35/137,293.92
  6. Step 6: Final answer
    x = 93,536.84

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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.