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Finding the Fourth Proportional to 153,132.63, 229,680.69 and 40,821.27

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Solution

The fourth proportional to 153,132.63, 229,680.69 and 40,821.27 is: 61,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,132.63 : 229,680.69 = 40,821.27 : x
  2. Step 2: Convert to fraction form
    153,132.63/229,680.69 = 40,821.27/x
  3. Step 3: Cross multiply
    153,132.63x = 229,680.69 × 40,821.27
  4. Step 4: Simplify right side
    153,132.63x = 9,375,857,460.28
  5. Step 5: Solve for x
    x = 9,375,857,460.28/153,132.63
  6. Step 6: Final answer
    x = 61,227.04

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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.