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Finding the Fourth Proportional to 159,794.22, 220,510.71 and 88,174.29

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Solution

The fourth proportional to 159,794.22, 220,510.71 and 88,174.29 is: 121,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,794.22 : 220,510.71 = 88,174.29 : x
  2. Step 2: Convert to fraction form
    159,794.22/220,510.71 = 88,174.29/x
  3. Step 3: Cross multiply
    159,794.22x = 220,510.71 × 88,174.29
  4. Step 4: Simplify right side
    159,794.22x = 19,443,375,291.65
  5. Step 5: Solve for x
    x = 19,443,375,291.65/159,794.22
  6. Step 6: Final answer
    x = 121,677.59

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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.