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Finding the Fourth Proportional to 92,113.71, 137,949.13 and 62,441.58

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Solution

The fourth proportional to 92,113.71, 137,949.13 and 62,441.58 is: 93,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,113.71 : 137,949.13 = 62,441.58 : x
  2. Step 2: Convert to fraction form
    92,113.71/137,949.13 = 62,441.58/x
  3. Step 3: Cross multiply
    92,113.71x = 137,949.13 × 62,441.58
  4. Step 4: Simplify right side
    92,113.71x = 8,613,761,880.95
  5. Step 5: Solve for x
    x = 8,613,761,880.95/92,113.71
  6. Step 6: Final answer
    x = 93,512.27

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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.