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Finding the Fourth Proportional to 69,488.13, 95,866.22 and 45,317.25

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Solution

The fourth proportional to 69,488.13, 95,866.22 and 45,317.25 is: 62,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,488.13 : 95,866.22 = 45,317.25 : x
  2. Step 2: Convert to fraction form
    69,488.13/95,866.22 = 45,317.25/x
  3. Step 3: Cross multiply
    69,488.13x = 95,866.22 × 45,317.25
  4. Step 4: Simplify right side
    69,488.13x = 4,344,393,458.30
  5. Step 5: Solve for x
    x = 4,344,393,458.30/69,488.13
  6. Step 6: Final answer
    x = 62,519.94

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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.