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Finding the Fourth Proportional to 160,697.04, 240,948.33 and 71,934

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Solution

The fourth proportional to 160,697.04, 240,948.33 and 71,934 is: 107,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,697.04 : 240,948.33 = 71,934 : x
  2. Step 2: Convert to fraction form
    160,697.04/240,948.33 = 71,934/x
  3. Step 3: Cross multiply
    160,697.04x = 240,948.33 × 71,934
  4. Step 4: Simplify right side
    160,697.04x = 17,332,377,170.22
  5. Step 5: Solve for x
    x = 17,332,377,170.22/160,697.04
  6. Step 6: Final answer
    x = 107,857.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.