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Finding the Fourth Proportional to 69,061.65, 103,592.48 and 45,682.62

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Solution

The fourth proportional to 69,061.65, 103,592.48 and 45,682.62 is: 68,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,061.65 : 103,592.48 = 45,682.62 : x
  2. Step 2: Convert to fraction form
    69,061.65/103,592.48 = 45,682.62/x
  3. Step 3: Cross multiply
    69,061.65x = 103,592.48 × 45,682.62
  4. Step 4: Simplify right side
    69,061.65x = 4,732,375,898.70
  5. Step 5: Solve for x
    x = 4,732,375,898.70/69,061.65
  6. Step 6: Final answer
    x = 68,523.93

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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.