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Finding the Fourth Proportional to 87,468.72, 120,652.92 and 62,326.32

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Solution

The fourth proportional to 87,468.72, 120,652.92 and 62,326.32 is: 85,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,468.72 : 120,652.92 = 62,326.32 : x
  2. Step 2: Convert to fraction form
    87,468.72/120,652.92 = 62,326.32/x
  3. Step 3: Cross multiply
    87,468.72x = 120,652.92 × 62,326.32
  4. Step 4: Simplify right side
    87,468.72x = 7,519,852,500.85
  5. Step 5: Solve for x
    x = 7,519,852,500.85/87,468.72
  6. Step 6: Final answer
    x = 85,971.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.