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Finding the Fourth Proportional to 224,238.70, 336,350.76 and 91,079.56

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Solution

The fourth proportional to 224,238.70, 336,350.76 and 91,079.56 is: 136,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,238.70 : 336,350.76 = 91,079.56 : x
  2. Step 2: Convert to fraction form
    224,238.70/336,350.76 = 91,079.56/x
  3. Step 3: Cross multiply
    224,238.70x = 336,350.76 × 91,079.56
  4. Step 4: Simplify right side
    224,238.70x = 30,634,679,226.47
  5. Step 5: Solve for x
    x = 30,634,679,226.47/224,238.70
  6. Step 6: Final answer
    x = 136,616.38

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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.