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Finding the Fourth Proportional to 159,790.32, 220,479.84 and 96,132.22

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Solution

The fourth proportional to 159,790.32, 220,479.84 and 96,132.22 is: 132,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,790.32 : 220,479.84 = 96,132.22 : x
  2. Step 2: Convert to fraction form
    159,790.32/220,479.84 = 96,132.22/x
  3. Step 3: Cross multiply
    159,790.32x = 220,479.84 × 96,132.22
  4. Step 4: Simplify right side
    159,790.32x = 21,195,215,933.25
  5. Step 5: Solve for x
    x = 21,195,215,933.25/159,790.32
  6. Step 6: Final answer
    x = 132,643.93

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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.