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Finding the Fourth Proportional to 125,963.43, 173,837.43 and 69,374.79

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Solution

The fourth proportional to 125,963.43, 173,837.43 and 69,374.79 is: 95,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963.43 : 173,837.43 = 69,374.79 : x
  2. Step 2: Convert to fraction form
    125,963.43/173,837.43 = 69,374.79/x
  3. Step 3: Cross multiply
    125,963.43x = 173,837.43 × 69,374.79
  4. Step 4: Simplify right side
    125,963.43x = 12,059,935,200.39
  5. Step 5: Solve for x
    x = 12,059,935,200.39/125,963.43
  6. Step 6: Final answer
    x = 95,741.56

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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.