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Finding the Fourth Proportional to 150,873.72, 225,978.24 and 100,718.88

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Solution

The fourth proportional to 150,873.72, 225,978.24 and 100,718.88 is: 150,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,873.72 : 225,978.24 = 100,718.88 : x
  2. Step 2: Convert to fraction form
    150,873.72/225,978.24 = 100,718.88/x
  3. Step 3: Cross multiply
    150,873.72x = 225,978.24 × 100,718.88
  4. Step 4: Simplify right side
    150,873.72x = 22,760,275,237.17
  5. Step 5: Solve for x
    x = 22,760,275,237.17/150,873.72
  6. Step 6: Final answer
    x = 150,856.46

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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.