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Finding the Fourth Proportional to 147,204.80, 220,807.20 and 132,459.20

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Solution

The fourth proportional to 147,204.80, 220,807.20 and 132,459.20 is: 198,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,204.80 : 220,807.20 = 132,459.20 : x
  2. Step 2: Convert to fraction form
    147,204.80/220,807.20 = 132,459.20/x
  3. Step 3: Cross multiply
    147,204.80x = 220,807.20 × 132,459.20
  4. Step 4: Simplify right side
    147,204.80x = 29,247,945,066.24
  5. Step 5: Solve for x
    x = 29,247,945,066.24/147,204.80
  6. Step 6: Final answer
    x = 198,688.80

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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.