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Finding the Fourth Proportional to 227,427.30, 341,359.65 and 115,234.20

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Solution

The fourth proportional to 227,427.30, 341,359.65 and 115,234.20 is: 172,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,427.30 : 341,359.65 = 115,234.20 : x
  2. Step 2: Convert to fraction form
    227,427.30/341,359.65 = 115,234.20/x
  3. Step 3: Cross multiply
    227,427.30x = 341,359.65 × 115,234.20
  4. Step 4: Simplify right side
    227,427.30x = 39,336,306,180.03
  5. Step 5: Solve for x
    x = 39,336,306,180.03/227,427.30
  6. Step 6: Final answer
    x = 172,962.11

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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.