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Finding the Fourth Proportional to 92,689.16, 139,024.17 and 62,894.70

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Solution

The fourth proportional to 92,689.16, 139,024.17 and 62,894.70 is: 94,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,689.16 : 139,024.17 = 62,894.70 : x
  2. Step 2: Convert to fraction form
    92,689.16/139,024.17 = 62,894.70/x
  3. Step 3: Cross multiply
    92,689.16x = 139,024.17 × 62,894.70
  4. Step 4: Simplify right side
    92,689.16x = 8,743,884,032.80
  5. Step 5: Solve for x
    x = 8,743,884,032.80/92,689.16
  6. Step 6: Final answer
    x = 94,335.56

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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.