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Finding the Fourth Proportional to 227,176.20, 340,715.70 and 100,816.20

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Solution

The fourth proportional to 227,176.20, 340,715.70 and 100,816.20 is: 151,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,176.20 : 340,715.70 = 100,816.20 : x
  2. Step 2: Convert to fraction form
    227,176.20/340,715.70 = 100,816.20/x
  3. Step 3: Cross multiply
    227,176.20x = 340,715.70 × 100,816.20
  4. Step 4: Simplify right side
    227,176.20x = 34,349,662,154.34
  5. Step 5: Solve for x
    x = 34,349,662,154.34/227,176.20
  6. Step 6: Final answer
    x = 151,202.73

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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.