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Finding the Fourth Proportional to 282,715.92, 424,126.43 and 93,189.60

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Solution

The fourth proportional to 282,715.92, 424,126.43 and 93,189.60 is: 139,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,715.92 : 424,126.43 = 93,189.60 : x
  2. Step 2: Convert to fraction form
    282,715.92/424,126.43 = 93,189.60/x
  3. Step 3: Cross multiply
    282,715.92x = 424,126.43 × 93,189.60
  4. Step 4: Simplify right side
    282,715.92x = 39,524,171,895.18
  5. Step 5: Solve for x
    x = 39,524,171,895.18/282,715.92
  6. Step 6: Final answer
    x = 139,801.72

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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.