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Finding the Fourth Proportional to 144,357.38, 216,564.86 and 44,513.24

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Solution

The fourth proportional to 144,357.38, 216,564.86 and 44,513.24 is: 66,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,357.38 : 216,564.86 = 44,513.24 : x
  2. Step 2: Convert to fraction form
    144,357.38/216,564.86 = 44,513.24/x
  3. Step 3: Cross multiply
    144,357.38x = 216,564.86 × 44,513.24
  4. Step 4: Simplify right side
    144,357.38x = 9,640,003,366.18
  5. Step 5: Solve for x
    x = 9,640,003,366.18/144,357.38
  6. Step 6: Final answer
    x = 66,778.74

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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.