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Finding the Fourth Proportional to 87,822.60, 131,442.30 and 87,822.60

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Solution

The fourth proportional to 87,822.60, 131,442.30 and 87,822.60 is: 131,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.60 : 131,442.30 = 87,822.60 : x
  2. Step 2: Convert to fraction form
    87,822.60/131,442.30 = 87,822.60/x
  3. Step 3: Cross multiply
    87,822.60x = 131,442.30 × 87,822.60
  4. Step 4: Simplify right side
    87,822.60x = 11,543,604,535.98
  5. Step 5: Solve for x
    x = 11,543,604,535.98/87,822.60
  6. Step 6: Final answer
    x = 131,442.30

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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.