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Finding the Fourth Proportional to 269,622.64, 372,080.44 and 148,763.87

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Solution

The fourth proportional to 269,622.64, 372,080.44 and 148,763.87 is: 205,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,622.64 : 372,080.44 = 148,763.87 : x
  2. Step 2: Convert to fraction form
    269,622.64/372,080.44 = 148,763.87/x
  3. Step 3: Cross multiply
    269,622.64x = 372,080.44 × 148,763.87
  4. Step 4: Simplify right side
    269,622.64x = 55,352,126,205.70
  5. Step 5: Solve for x
    x = 55,352,126,205.70/269,622.64
  6. Step 6: Final answer
    x = 205,294.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.