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Finding the Fourth Proportional to 137,339.68, 205,960.56 and 62,397.04

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Solution

The fourth proportional to 137,339.68, 205,960.56 and 62,397.04 is: 93,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,339.68 : 205,960.56 = 62,397.04 : x
  2. Step 2: Convert to fraction form
    137,339.68/205,960.56 = 62,397.04/x
  3. Step 3: Cross multiply
    137,339.68x = 205,960.56 × 62,397.04
  4. Step 4: Simplify right side
    137,339.68x = 12,851,329,300.74
  5. Step 5: Solve for x
    x = 12,851,329,300.74/137,339.68
  6. Step 6: Final answer
    x = 93,573.32

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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.