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Finding the Fourth Proportional to 119,195.32, 164,488.92 and 64,747.04

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Solution

The fourth proportional to 119,195.32, 164,488.92 and 64,747.04 is: 89,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,195.32 : 164,488.92 = 64,747.04 : x
  2. Step 2: Convert to fraction form
    119,195.32/164,488.92 = 64,747.04/x
  3. Step 3: Cross multiply
    119,195.32x = 164,488.92 × 64,747.04
  4. Step 4: Simplify right side
    119,195.32x = 10,650,170,682.80
  5. Step 5: Solve for x
    x = 10,650,170,682.80/119,195.32
  6. Step 6: Final answer
    x = 89,350.58

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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.