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Finding the Fourth Proportional to 144,382.38, 216,559.40 and 44,515.59

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Solution

The fourth proportional to 144,382.38, 216,559.40 and 44,515.59 is: 66,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,382.38 : 216,559.40 = 44,515.59 : x
  2. Step 2: Convert to fraction form
    144,382.38/216,559.40 = 44,515.59/x
  3. Step 3: Cross multiply
    144,382.38x = 216,559.40 × 44,515.59
  4. Step 4: Simplify right side
    144,382.38x = 9,640,269,238.47
  5. Step 5: Solve for x
    x = 9,640,269,238.47/144,382.38
  6. Step 6: Final answer
    x = 66,769.01

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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.