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Finding the Fourth Proportional to 137,248.40, 205,775.40 and 62,404.40

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Solution

The fourth proportional to 137,248.40, 205,775.40 and 62,404.40 is: 93,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,248.40 : 205,775.40 = 62,404.40 : x
  2. Step 2: Convert to fraction form
    137,248.40/205,775.40 = 62,404.40/x
  3. Step 3: Cross multiply
    137,248.40x = 205,775.40 × 62,404.40
  4. Step 4: Simplify right side
    137,248.40x = 12,841,290,371.76
  5. Step 5: Solve for x
    x = 12,841,290,371.76/137,248.40
  6. Step 6: Final answer
    x = 93,562.40

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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.