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Finding the Fourth Proportional to 132,993.88, 199,488.88 and 61,876.74

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Solution

The fourth proportional to 132,993.88, 199,488.88 and 61,876.74 is: 92,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,993.88 : 199,488.88 = 61,876.74 : x
  2. Step 2: Convert to fraction form
    132,993.88/199,488.88 = 61,876.74/x
  3. Step 3: Cross multiply
    132,993.88x = 199,488.88 × 61,876.74
  4. Step 4: Simplify right side
    132,993.88x = 12,343,721,560.65
  5. Step 5: Solve for x
    x = 12,343,721,560.65/132,993.88
  6. Step 6: Final answer
    x = 92,814.21

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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.