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Finding the Fourth Proportional to 125,192.48, 172,767.92 and 67,832.96

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Solution

The fourth proportional to 125,192.48, 172,767.92 and 67,832.96 is: 93,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,192.48 : 172,767.92 = 67,832.96 : x
  2. Step 2: Convert to fraction form
    125,192.48/172,767.92 = 67,832.96/x
  3. Step 3: Cross multiply
    125,192.48x = 172,767.92 × 67,832.96
  4. Step 4: Simplify right side
    125,192.48x = 11,719,359,406.64
  5. Step 5: Solve for x
    x = 11,719,359,406.64/125,192.48
  6. Step 6: Final answer
    x = 93,610.73

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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.