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Finding the Fourth Proportional to 159,747.53, 220,450.14 and 88,128.14

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Solution

The fourth proportional to 159,747.53, 220,450.14 and 88,128.14 is: 121,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,747.53 : 220,450.14 = 88,128.14 : x
  2. Step 2: Convert to fraction form
    159,747.53/220,450.14 = 88,128.14/x
  3. Step 3: Cross multiply
    159,747.53x = 220,450.14 × 88,128.14
  4. Step 4: Simplify right side
    159,747.53x = 19,427,859,698.69
  5. Step 5: Solve for x
    x = 19,427,859,698.69/159,747.53
  6. Step 6: Final answer
    x = 121,616.03

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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.