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Finding the Fourth Proportional to 159,496.65, 220,103.62 and 91,524.32

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Solution

The fourth proportional to 159,496.65, 220,103.62 and 91,524.32 is: 126,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.65 : 220,103.62 = 91,524.32 : x
  2. Step 2: Convert to fraction form
    159,496.65/220,103.62 = 91,524.32/x
  3. Step 3: Cross multiply
    159,496.65x = 220,103.62 × 91,524.32
  4. Step 4: Simplify right side
    159,496.65x = 20,144,834,150.04
  5. Step 5: Solve for x
    x = 20,144,834,150.04/159,496.65
  6. Step 6: Final answer
    x = 126,302.55

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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.