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Finding the Fourth Proportional to 247,132.80, 370,365.48 and 180,259.20

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Solution

The fourth proportional to 247,132.80, 370,365.48 and 180,259.20 is: 270,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,132.80 : 370,365.48 = 180,259.20 : x
  2. Step 2: Convert to fraction form
    247,132.80/370,365.48 = 180,259.20/x
  3. Step 3: Cross multiply
    247,132.80x = 370,365.48 × 180,259.20
  4. Step 4: Simplify right side
    247,132.80x = 66,761,785,132.42
  5. Step 5: Solve for x
    x = 66,761,785,132.42/247,132.80
  6. Step 6: Final answer
    x = 270,145.38

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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.