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Finding the Fourth Proportional to 159,884.98, 220,641.60 and 88,265.10

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Solution

The fourth proportional to 159,884.98, 220,641.60 and 88,265.10 is: 121,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,884.98 : 220,641.60 = 88,265.10 : x
  2. Step 2: Convert to fraction form
    159,884.98/220,641.60 = 88,265.10/x
  3. Step 3: Cross multiply
    159,884.98x = 220,641.60 × 88,265.10
  4. Step 4: Simplify right side
    159,884.98x = 19,474,952,888.16
  5. Step 5: Solve for x
    x = 19,474,952,888.16/159,884.98
  6. Step 6: Final answer
    x = 121,806.02

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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.