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Finding the Fourth Proportional to 144,329.80, 216,499.65 and 44,489.20

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Solution

The fourth proportional to 144,329.80, 216,499.65 and 44,489.20 is: 66,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,329.80 : 216,499.65 = 44,489.20 : x
  2. Step 2: Convert to fraction form
    144,329.80/216,499.65 = 44,489.20/x
  3. Step 3: Cross multiply
    144,329.80x = 216,499.65 × 44,489.20
  4. Step 4: Simplify right side
    144,329.80x = 9,631,896,228.78
  5. Step 5: Solve for x
    x = 9,631,896,228.78/144,329.80
  6. Step 6: Final answer
    x = 66,735.33

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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.