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Finding the Fourth Proportional to 87,829.60, 131,452.80 and 87,829.60

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Solution

The fourth proportional to 87,829.60, 131,452.80 and 87,829.60 is: 131,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829.60 : 131,452.80 = 87,829.60 : x
  2. Step 2: Convert to fraction form
    87,829.60/131,452.80 = 87,829.60/x
  3. Step 3: Cross multiply
    87,829.60x = 131,452.80 × 87,829.60
  4. Step 4: Simplify right side
    87,829.60x = 11,545,446,842.88
  5. Step 5: Solve for x
    x = 11,545,446,842.88/87,829.60
  6. Step 6: Final answer
    x = 131,452.80

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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.