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Finding the Fourth Proportional to 159,773.69, 220,492.31 and 88,158.33

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Solution

The fourth proportional to 159,773.69, 220,492.31 and 88,158.33 is: 121,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,773.69 : 220,492.31 = 88,158.33 : x
  2. Step 2: Convert to fraction form
    159,773.69/220,492.31 = 88,158.33/x
  3. Step 3: Cross multiply
    159,773.69x = 220,492.31 × 88,158.33
  4. Step 4: Simplify right side
    159,773.69x = 19,438,233,386.65
  5. Step 5: Solve for x
    x = 19,438,233,386.65/159,773.69
  6. Step 6: Final answer
    x = 121,661.04

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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.