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Finding the Fourth Proportional to 159,884.82, 220,642.84 and 88,264.88

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Solution

The fourth proportional to 159,884.82, 220,642.84 and 88,264.88 is: 121,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,884.82 : 220,642.84 = 88,264.88 : x
  2. Step 2: Convert to fraction form
    159,884.82/220,642.84 = 88,264.88/x
  3. Step 3: Cross multiply
    159,884.82x = 220,642.84 × 88,264.88
  4. Step 4: Simplify right side
    159,884.82x = 19,475,013,795.46
  5. Step 5: Solve for x
    x = 19,475,013,795.46/159,884.82
  6. Step 6: Final answer
    x = 121,806.52

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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.