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Finding the Fourth Proportional to 123,044.60, 183,892.57 and 89,834.60

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Solution

The fourth proportional to 123,044.60, 183,892.57 and 89,834.60 is: 134,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,044.60 : 183,892.57 = 89,834.60 : x
  2. Step 2: Convert to fraction form
    123,044.60/183,892.57 = 89,834.60/x
  3. Step 3: Cross multiply
    123,044.60x = 183,892.57 × 89,834.60
  4. Step 4: Simplify right side
    123,044.60x = 16,519,915,468.92
  5. Step 5: Solve for x
    x = 16,519,915,468.92/123,044.60
  6. Step 6: Final answer
    x = 134,259.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.