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Finding the Fourth Proportional to 146,562.80, 219,844.20 and 130,233.20

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Solution

The fourth proportional to 146,562.80, 219,844.20 and 130,233.20 is: 195,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,562.80 : 219,844.20 = 130,233.20 : x
  2. Step 2: Convert to fraction form
    146,562.80/219,844.20 = 130,233.20/x
  3. Step 3: Cross multiply
    146,562.80x = 219,844.20 × 130,233.20
  4. Step 4: Simplify right side
    146,562.80x = 28,631,013,667.44
  5. Step 5: Solve for x
    x = 28,631,013,667.44/146,562.80
  6. Step 6: Final answer
    x = 195,349.80

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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.