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Finding the Fourth Proportional to 227,627.70, 341,441.55 and 85,472.70

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Solution

The fourth proportional to 227,627.70, 341,441.55 and 85,472.70 is: 128,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,627.70 : 341,441.55 = 85,472.70 : x
  2. Step 2: Convert to fraction form
    227,627.70/341,441.55 = 85,472.70/x
  3. Step 3: Cross multiply
    227,627.70x = 341,441.55 × 85,472.70
  4. Step 4: Simplify right side
    227,627.70x = 29,183,931,170.69
  5. Step 5: Solve for x
    x = 29,183,931,170.69/227,627.70
  6. Step 6: Final answer
    x = 128,209.05

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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.