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Finding the Fourth Proportional to 122,758.84, 169,502.52 and 95,854.69

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Solution

The fourth proportional to 122,758.84, 169,502.52 and 95,854.69 is: 132,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,758.84 : 169,502.52 = 95,854.69 : x
  2. Step 2: Convert to fraction form
    122,758.84/169,502.52 = 95,854.69/x
  3. Step 3: Cross multiply
    122,758.84x = 169,502.52 × 95,854.69
  4. Step 4: Simplify right side
    122,758.84x = 16,247,611,508.82
  5. Step 5: Solve for x
    x = 16,247,611,508.82/122,758.84
  6. Step 6: Final answer
    x = 132,353.90

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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.