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Finding the Fourth Proportional to 179,374.40, 269,061.60 and 160,020.80

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Solution

The fourth proportional to 179,374.40, 269,061.60 and 160,020.80 is: 240,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,374.40 : 269,061.60 = 160,020.80 : x
  2. Step 2: Convert to fraction form
    179,374.40/269,061.60 = 160,020.80/x
  3. Step 3: Cross multiply
    179,374.40x = 269,061.60 × 160,020.80
  4. Step 4: Simplify right side
    179,374.40x = 43,055,452,481.28
  5. Step 5: Solve for x
    x = 43,055,452,481.28/179,374.40
  6. Step 6: Final answer
    x = 240,031.20

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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.