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Finding the Fourth Proportional to 146,940.30, 220,410.45 and 36,132.30

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Solution

The fourth proportional to 146,940.30, 220,410.45 and 36,132.30 is: 54,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,940.30 : 220,410.45 = 36,132.30 : x
  2. Step 2: Convert to fraction form
    146,940.30/220,410.45 = 36,132.30/x
  3. Step 3: Cross multiply
    146,940.30x = 220,410.45 × 36,132.30
  4. Step 4: Simplify right side
    146,940.30x = 7,963,936,502.54
  5. Step 5: Solve for x
    x = 7,963,936,502.54/146,940.30
  6. Step 6: Final answer
    x = 54,198.45

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1.5x scale

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.