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Finding the Fourth Proportional to 159,862.44, 220,610.20 and 88,242.48

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Solution

The fourth proportional to 159,862.44, 220,610.20 and 88,242.48 is: 121,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.44 : 220,610.20 = 88,242.48 : x
  2. Step 2: Convert to fraction form
    159,862.44/220,610.20 = 88,242.48/x
  3. Step 3: Cross multiply
    159,862.44x = 220,610.20 × 88,242.48
  4. Step 4: Simplify right side
    159,862.44x = 19,467,191,161.30
  5. Step 5: Solve for x
    x = 19,467,191,161.30/159,862.44
  6. Step 6: Final answer
    x = 121,774.64

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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.