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Finding the Fourth Proportional to 227,287.62, 313,659.14 and 125,316.72

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Solution

The fourth proportional to 227,287.62, 313,659.14 and 125,316.72 is: 172,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,287.62 : 313,659.14 = 125,316.72 : x
  2. Step 2: Convert to fraction form
    227,287.62/313,659.14 = 125,316.72/x
  3. Step 3: Cross multiply
    227,287.62x = 313,659.14 × 125,316.72
  4. Step 4: Simplify right side
    227,287.62x = 39,306,733,996.24
  5. Step 5: Solve for x
    x = 39,306,733,996.24/227,287.62
  6. Step 6: Final answer
    x = 172,938.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.