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Finding the Fourth Proportional to 144,399.65, 216,520.16 and 44,532.11

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Solution

The fourth proportional to 144,399.65, 216,520.16 and 44,532.11 is: 66,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,399.65 : 216,520.16 = 44,532.11 : x
  2. Step 2: Convert to fraction form
    144,399.65/216,520.16 = 44,532.11/x
  3. Step 3: Cross multiply
    144,399.65x = 216,520.16 × 44,532.11
  4. Step 4: Simplify right side
    144,399.65x = 9,642,099,900.98
  5. Step 5: Solve for x
    x = 9,642,099,900.98/144,399.65
  6. Step 6: Final answer
    x = 66,773.71

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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.