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Finding the Fourth Proportional to 227,171.72, 313,495.53 and 123,805.73

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Solution

The fourth proportional to 227,171.72, 313,495.53 and 123,805.73 is: 170,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,171.72 : 313,495.53 = 123,805.73 : x
  2. Step 2: Convert to fraction form
    227,171.72/313,495.53 = 123,805.73/x
  3. Step 3: Cross multiply
    227,171.72x = 313,495.53 × 123,805.73
  4. Step 4: Simplify right side
    227,171.72x = 38,812,542,943.39
  5. Step 5: Solve for x
    x = 38,812,542,943.39/227,171.72
  6. Step 6: Final answer
    x = 170,851.12

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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.