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Finding the Fourth Proportional to 227,245.89, 313,601.53 and 125,275.03

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Solution

The fourth proportional to 227,245.89, 313,601.53 and 125,275.03 is: 172,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,245.89 : 313,601.53 = 125,275.03 : x
  2. Step 2: Convert to fraction form
    227,245.89/313,601.53 = 125,275.03/x
  3. Step 3: Cross multiply
    227,245.89x = 313,601.53 × 125,275.03
  4. Step 4: Simplify right side
    227,245.89x = 39,286,442,575.22
  5. Step 5: Solve for x
    x = 39,286,442,575.22/227,245.89
  6. Step 6: Final answer
    x = 172,880.76

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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.