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Finding the Fourth Proportional to 144,619.74, 216,902.88 and 44,761.32

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Solution

The fourth proportional to 144,619.74, 216,902.88 and 44,761.32 is: 67,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.74 : 216,902.88 = 44,761.32 : x
  2. Step 2: Convert to fraction form
    144,619.74/216,902.88 = 44,761.32/x
  3. Step 3: Cross multiply
    144,619.74x = 216,902.88 × 44,761.32
  4. Step 4: Simplify right side
    144,619.74x = 9,708,859,220.60
  5. Step 5: Solve for x
    x = 9,708,859,220.60/144,619.74
  6. Step 6: Final answer
    x = 67,133.71

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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.