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Finding the Fourth Proportional to 159,851.92, 220,595.44 and 88,232

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Solution

The fourth proportional to 159,851.92, 220,595.44 and 88,232 is: 121,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,851.92 : 220,595.44 = 88,232 : x
  2. Step 2: Convert to fraction form
    159,851.92/220,595.44 = 88,232/x
  3. Step 3: Cross multiply
    159,851.92x = 220,595.44 × 88,232
  4. Step 4: Simplify right side
    159,851.92x = 19,463,576,862.08
  5. Step 5: Solve for x
    x = 19,463,576,862.08/159,851.92
  6. Step 6: Final answer
    x = 121,760.04

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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.