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Finding the Fourth Proportional to 282,691.89, 424,100.39 and 93,144.60

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Solution

The fourth proportional to 282,691.89, 424,100.39 and 93,144.60 is: 139,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,691.89 : 424,100.39 = 93,144.60 : x
  2. Step 2: Convert to fraction form
    282,691.89/424,100.39 = 93,144.60/x
  3. Step 3: Cross multiply
    282,691.89x = 424,100.39 × 93,144.60
  4. Step 4: Simplify right side
    282,691.89x = 39,502,660,720.67
  5. Step 5: Solve for x
    x = 39,502,660,720.67/282,691.89
  6. Step 6: Final answer
    x = 139,737.51

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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.