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Finding the Fourth Proportional to 269,167.95, 403,753.45 and 69,474.68

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Solution

The fourth proportional to 269,167.95, 403,753.45 and 69,474.68 is: 104,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,167.95 : 403,753.45 = 69,474.68 : x
  2. Step 2: Convert to fraction form
    269,167.95/403,753.45 = 69,474.68/x
  3. Step 3: Cross multiply
    269,167.95x = 403,753.45 × 69,474.68
  4. Step 4: Simplify right side
    269,167.95x = 28,050,641,737.65
  5. Step 5: Solve for x
    x = 28,050,641,737.65/269,167.95
  6. Step 6: Final answer
    x = 104,212.41

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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.