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Finding the Fourth Proportional to 125,605, 173,335.20 and 68,244.52

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Solution

The fourth proportional to 125,605, 173,335.20 and 68,244.52 is: 94,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,605 : 173,335.20 = 68,244.52 : x
  2. Step 2: Convert to fraction form
    125,605/173,335.20 = 68,244.52/x
  3. Step 3: Cross multiply
    125,605x = 173,335.20 × 68,244.52
  4. Step 4: Simplify right side
    125,605x = 11,829,177,523.10
  5. Step 5: Solve for x
    x = 11,829,177,523.10/125,605
  6. Step 6: Final answer
    x = 94,177.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.