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Finding the Fourth Proportional to 185,132.80, 277,828.80 and 80,027.20

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Solution

The fourth proportional to 185,132.80, 277,828.80 and 80,027.20 is: 120,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,132.80 : 277,828.80 = 80,027.20 : x
  2. Step 2: Convert to fraction form
    185,132.80/277,828.80 = 80,027.20/x
  3. Step 3: Cross multiply
    185,132.80x = 277,828.80 × 80,027.20
  4. Step 4: Simplify right side
    185,132.80x = 22,233,860,943.36
  5. Step 5: Solve for x
    x = 22,233,860,943.36/185,132.80
  6. Step 6: Final answer
    x = 120,096.82

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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.