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Finding the Fourth Proportional to 87,200.70, 130,801.05 and 34,583.10

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Solution

The fourth proportional to 87,200.70, 130,801.05 and 34,583.10 is: 51,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,200.70 : 130,801.05 = 34,583.10 : x
  2. Step 2: Convert to fraction form
    87,200.70/130,801.05 = 34,583.10/x
  3. Step 3: Cross multiply
    87,200.70x = 130,801.05 × 34,583.10
  4. Step 4: Simplify right side
    87,200.70x = 4,523,505,792.26
  5. Step 5: Solve for x
    x = 4,523,505,792.26/87,200.70
  6. Step 6: Final answer
    x = 51,874.65

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Similar ratio
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1.5x scale

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.