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Finding the Fourth Proportional to 180,040.80, 270,061.20 and 169,672.80

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Solution

The fourth proportional to 180,040.80, 270,061.20 and 169,672.80 is: 254,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,040.80 : 270,061.20 = 169,672.80 : x
  2. Step 2: Convert to fraction form
    180,040.80/270,061.20 = 169,672.80/x
  3. Step 3: Cross multiply
    180,040.80x = 270,061.20 × 169,672.80
  4. Step 4: Simplify right side
    180,040.80x = 45,822,039,975.36
  5. Step 5: Solve for x
    x = 45,822,039,975.36/180,040.80
  6. Step 6: Final answer
    x = 254,509.20

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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.