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Finding the Fourth Proportional to 144,531.62, 216,820.92 and 44,668.52

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Solution

The fourth proportional to 144,531.62, 216,820.92 and 44,668.52 is: 67,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,531.62 : 216,820.92 = 44,668.52 : x
  2. Step 2: Convert to fraction form
    144,531.62/216,820.92 = 44,668.52/x
  3. Step 3: Cross multiply
    144,531.62x = 216,820.92 × 44,668.52
  4. Step 4: Simplify right side
    144,531.62x = 9,685,069,601.44
  5. Step 5: Solve for x
    x = 9,685,069,601.44/144,531.62
  6. Step 6: Final answer
    x = 67,010.04

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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.