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Finding the Fourth Proportional to 119,689.80, 179,567.97 and 52,227.72

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Solution

The fourth proportional to 119,689.80, 179,567.97 and 52,227.72 is: 78,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,689.80 : 179,567.97 = 52,227.72 : x
  2. Step 2: Convert to fraction form
    119,689.80/179,567.97 = 52,227.72/x
  3. Step 3: Cross multiply
    119,689.80x = 179,567.97 × 52,227.72
  4. Step 4: Simplify right side
    119,689.80x = 9,378,425,658.13
  5. Step 5: Solve for x
    x = 9,378,425,658.13/119,689.80
  6. Step 6: Final answer
    x = 78,356.10

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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.