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Finding the Fourth Proportional to 159,676.52, 220,344.18 and 88,057.40

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Solution

The fourth proportional to 159,676.52, 220,344.18 and 88,057.40 is: 121,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.52 : 220,344.18 = 88,057.40 : x
  2. Step 2: Convert to fraction form
    159,676.52/220,344.18 = 88,057.40/x
  3. Step 3: Cross multiply
    159,676.52x = 220,344.18 × 88,057.40
  4. Step 4: Simplify right side
    159,676.52x = 19,402,935,595.93
  5. Step 5: Solve for x
    x = 19,402,935,595.93/159,676.52
  6. Step 6: Final answer
    x = 121,514.02

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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.