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Finding the Fourth Proportional to 79,757.61, 119,657.18 and 29,841.60

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Solution

The fourth proportional to 79,757.61, 119,657.18 and 29,841.60 is: 44,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757.61 : 119,657.18 = 29,841.60 : x
  2. Step 2: Convert to fraction form
    79,757.61/119,657.18 = 29,841.60/x
  3. Step 3: Cross multiply
    79,757.61x = 119,657.18 × 29,841.60
  4. Step 4: Simplify right side
    79,757.61x = 3,570,761,702.69
  5. Step 5: Solve for x
    x = 3,570,761,702.69/79,757.61
  6. Step 6: Final answer
    x = 44,770.17

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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.