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Finding the Fourth Proportional to 125,757.47, 173,541.84 and 69,168.89

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Solution

The fourth proportional to 125,757.47, 173,541.84 and 69,168.89 is: 95,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,757.47 : 173,541.84 = 69,168.89 : x
  2. Step 2: Convert to fraction form
    125,757.47/173,541.84 = 69,168.89/x
  3. Step 3: Cross multiply
    125,757.47x = 173,541.84 × 69,168.89
  4. Step 4: Simplify right side
    125,757.47x = 12,003,696,441.36
  5. Step 5: Solve for x
    x = 12,003,696,441.36/125,757.47
  6. Step 6: Final answer
    x = 95,451.16

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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.