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Finding the Fourth Proportional to 119,925.66, 165,494.85 and 68,937.05

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Solution

The fourth proportional to 119,925.66, 165,494.85 and 68,937.05 is: 95,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,925.66 : 165,494.85 = 68,937.05 : x
  2. Step 2: Convert to fraction form
    119,925.66/165,494.85 = 68,937.05/x
  3. Step 3: Cross multiply
    119,925.66x = 165,494.85 × 68,937.05
  4. Step 4: Simplify right side
    119,925.66x = 11,408,726,438.96
  5. Step 5: Solve for x
    x = 11,408,726,438.96/119,925.66
  6. Step 6: Final answer
    x = 95,131.65

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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.