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Finding the Fourth Proportional to 69,167.30, 103,752.96 and 27,045.68

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Solution

The fourth proportional to 69,167.30, 103,752.96 and 27,045.68 is: 40,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,167.30 : 103,752.96 = 27,045.68 : x
  2. Step 2: Convert to fraction form
    69,167.30/103,752.96 = 27,045.68/x
  3. Step 3: Cross multiply
    69,167.30x = 103,752.96 × 27,045.68
  4. Step 4: Simplify right side
    69,167.30x = 2,806,069,355.21
  5. Step 5: Solve for x
    x = 2,806,069,355.21/69,167.30
  6. Step 6: Final answer
    x = 40,569.31

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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.