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Finding the Fourth Proportional to 282,691.17, 424,099.26 and 93,143.88

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Solution

The fourth proportional to 282,691.17, 424,099.26 and 93,143.88 is: 139,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691.17 : 424,099.26 = 93,143.88 : x
  2. Step 2: Convert to fraction form
    282,691.17/424,099.26 = 93,143.88/x
  3. Step 3: Cross multiply
    282,691.17x = 424,099.26 × 93,143.88
  4. Step 4: Simplify right side
    282,691.17x = 39,502,250,581.53
  5. Step 5: Solve for x
    x = 39,502,250,581.53/282,691.17
  6. Step 6: Final answer
    x = 139,736.41

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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.