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Finding the Fourth Proportional to 92,074.39, 137,890.05 and 62,402.20

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Solution

The fourth proportional to 92,074.39, 137,890.05 and 62,402.20 is: 93,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,074.39 : 137,890.05 = 62,402.20 : x
  2. Step 2: Convert to fraction form
    92,074.39/137,890.05 = 62,402.20/x
  3. Step 3: Cross multiply
    92,074.39x = 137,890.05 × 62,402.20
  4. Step 4: Simplify right side
    92,074.39x = 8,604,642,478.11
  5. Step 5: Solve for x
    x = 8,604,642,478.11/92,074.39
  6. Step 6: Final answer
    x = 93,453.16

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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.