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Finding the Fourth Proportional to 66,834.40, 100,251.60 and 22,462.60

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Solution

The fourth proportional to 66,834.40, 100,251.60 and 22,462.60 is: 33,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.40 : 100,251.60 = 22,462.60 : x
  2. Step 2: Convert to fraction form
    66,834.40/100,251.60 = 22,462.60/x
  3. Step 3: Cross multiply
    66,834.40x = 100,251.60 × 22,462.60
  4. Step 4: Simplify right side
    66,834.40x = 2,251,911,590.16
  5. Step 5: Solve for x
    x = 2,251,911,590.16/66,834.40
  6. Step 6: Final answer
    x = 33,693.90

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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.