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Finding the Fourth Proportional to 125,540.68, 173,254.62 and 68,952.64

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Solution

The fourth proportional to 125,540.68, 173,254.62 and 68,952.64 is: 95,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.68 : 173,254.62 = 68,952.64 : x
  2. Step 2: Convert to fraction form
    125,540.68/173,254.62 = 68,952.64/x
  3. Step 3: Cross multiply
    125,540.68x = 173,254.62 × 68,952.64
  4. Step 4: Simplify right side
    125,540.68x = 11,946,363,441.20
  5. Step 5: Solve for x
    x = 11,946,363,441.20/125,540.68
  6. Step 6: Final answer
    x = 95,159.30

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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.