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Finding the Fourth Proportional to 173,879.68, 239,869.18 and 113,422.88

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Solution

The fourth proportional to 173,879.68, 239,869.18 and 113,422.88 is: 156,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.68 : 239,869.18 = 113,422.88 : x
  2. Step 2: Convert to fraction form
    173,879.68/239,869.18 = 113,422.88/x
  3. Step 3: Cross multiply
    173,879.68x = 239,869.18 × 113,422.88
  4. Step 4: Simplify right side
    173,879.68x = 27,206,653,218.84
  5. Step 5: Solve for x
    x = 27,206,653,218.84/173,879.68
  6. Step 6: Final answer
    x = 156,468.27

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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.