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Finding the Fourth Proportional to 125,475.54, 173,154.10 and 68,886.52

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Solution

The fourth proportional to 125,475.54, 173,154.10 and 68,886.52 is: 95,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,475.54 : 173,154.10 = 68,886.52 : x
  2. Step 2: Convert to fraction form
    125,475.54/173,154.10 = 68,886.52/x
  3. Step 3: Cross multiply
    125,475.54x = 173,154.10 × 68,886.52
  4. Step 4: Simplify right side
    125,475.54x = 11,927,983,372.73
  5. Step 5: Solve for x
    x = 11,927,983,372.73/125,475.54
  6. Step 6: Final answer
    x = 95,062.22

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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.