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Finding the Fourth Proportional to 125,561.66, 173,276.28 and 68,973.03

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Solution

The fourth proportional to 125,561.66, 173,276.28 and 68,973.03 is: 95,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,561.66 : 173,276.28 = 68,973.03 : x
  2. Step 2: Convert to fraction form
    125,561.66/173,276.28 = 68,973.03/x
  3. Step 3: Cross multiply
    125,561.66x = 173,276.28 × 68,973.03
  4. Step 4: Simplify right side
    125,561.66x = 11,951,390,058.73
  5. Step 5: Solve for x
    x = 11,951,390,058.73/125,561.66
  6. Step 6: Final answer
    x = 95,183.44

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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.