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Finding the Fourth Proportional to 225,728.02, 338,591.76 and 67,956.22

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Solution

The fourth proportional to 225,728.02, 338,591.76 and 67,956.22 is: 101,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,728.02 : 338,591.76 = 67,956.22 : x
  2. Step 2: Convert to fraction form
    225,728.02/338,591.76 = 67,956.22/x
  3. Step 3: Cross multiply
    225,728.02x = 338,591.76 × 67,956.22
  4. Step 4: Simplify right side
    225,728.02x = 23,009,416,132.75
  5. Step 5: Solve for x
    x = 23,009,416,132.75/225,728.02
  6. Step 6: Final answer
    x = 101,934.25

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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.