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Finding the Fourth Proportional to 132,559.98, 198,818.48 and 42,598.44

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Solution

The fourth proportional to 132,559.98, 198,818.48 and 42,598.44 is: 63,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,559.98 : 198,818.48 = 42,598.44 : x
  2. Step 2: Convert to fraction form
    132,559.98/198,818.48 = 42,598.44/x
  3. Step 3: Cross multiply
    132,559.98x = 198,818.48 × 42,598.44
  4. Step 4: Simplify right side
    132,559.98x = 8,469,357,091.17
  5. Step 5: Solve for x
    x = 8,469,357,091.17/132,559.98
  6. Step 6: Final answer
    x = 63,890.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.