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Finding the Fourth Proportional to 159,713.91, 220,404.30 and 88,093.77

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Solution

The fourth proportional to 159,713.91, 220,404.30 and 88,093.77 is: 121,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,713.91 : 220,404.30 = 88,093.77 : x
  2. Step 2: Convert to fraction form
    159,713.91/220,404.30 = 88,093.77/x
  3. Step 3: Cross multiply
    159,713.91x = 220,404.30 × 88,093.77
  4. Step 4: Simplify right side
    159,713.91x = 19,416,245,711.21
  5. Step 5: Solve for x
    x = 19,416,245,711.21/159,713.91
  6. Step 6: Final answer
    x = 121,568.91

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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.