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Finding the Fourth Proportional to 198,007.70, 273,150.88 and 141,451.88

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Solution

The fourth proportional to 198,007.70, 273,150.88 and 141,451.88 is: 195,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,007.70 : 273,150.88 = 141,451.88 : x
  2. Step 2: Convert to fraction form
    198,007.70/273,150.88 = 141,451.88/x
  3. Step 3: Cross multiply
    198,007.70x = 273,150.88 × 141,451.88
  4. Step 4: Simplify right side
    198,007.70x = 38,637,705,499.65
  5. Step 5: Solve for x
    x = 38,637,705,499.65/198,007.70
  6. Step 6: Final answer
    x = 195,132.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.