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Finding the Fourth Proportional to 160,608, 240,926.85 and 42,279.96

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Solution

The fourth proportional to 160,608, 240,926.85 and 42,279.96 is: 63,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,608 : 240,926.85 = 42,279.96 : x
  2. Step 2: Convert to fraction form
    160,608/240,926.85 = 42,279.96/x
  3. Step 3: Cross multiply
    160,608x = 240,926.85 × 42,279.96
  4. Step 4: Simplify right side
    160,608x = 10,186,377,580.93
  5. Step 5: Solve for x
    x = 10,186,377,580.93/160,608
  6. Step 6: Final answer
    x = 63,423.85

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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.