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Finding the Fourth Proportional to 146,787.20, 220,180.80 and 96,048.80

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Solution

The fourth proportional to 146,787.20, 220,180.80 and 96,048.80 is: 144,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,787.20 : 220,180.80 = 96,048.80 : x
  2. Step 2: Convert to fraction form
    146,787.20/220,180.80 = 96,048.80/x
  3. Step 3: Cross multiply
    146,787.20x = 220,180.80 × 96,048.80
  4. Step 4: Simplify right side
    146,787.20x = 21,148,101,623.04
  5. Step 5: Solve for x
    x = 21,148,101,623.04/146,787.20
  6. Step 6: Final answer
    x = 144,073.20

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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.