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Finding the Fourth Proportional to 151,846.20, 227,763.90 and 68,740.20

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Solution

The fourth proportional to 151,846.20, 227,763.90 and 68,740.20 is: 103,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,846.20 : 227,763.90 = 68,740.20 : x
  2. Step 2: Convert to fraction form
    151,846.20/227,763.90 = 68,740.20/x
  3. Step 3: Cross multiply
    151,846.20x = 227,763.90 × 68,740.20
  4. Step 4: Simplify right side
    151,846.20x = 15,656,536,038.78
  5. Step 5: Solve for x
    x = 15,656,536,038.78/151,846.20
  6. Step 6: Final answer
    x = 103,107.86

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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.