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Finding the Fourth Proportional to 151,728.90, 227,780.55 and 95,568.90

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Solution

The fourth proportional to 151,728.90, 227,780.55 and 95,568.90 is: 143,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,728.90 : 227,780.55 = 95,568.90 : x
  2. Step 2: Convert to fraction form
    151,728.90/227,780.55 = 95,568.90/x
  3. Step 3: Cross multiply
    151,728.90x = 227,780.55 × 95,568.90
  4. Step 4: Simplify right side
    151,728.90x = 21,768,736,604.90
  5. Step 5: Solve for x
    x = 21,768,736,604.90/151,728.90
  6. Step 6: Final answer
    x = 143,471.26

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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.