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Finding the Fourth Proportional to 227,665.89, 314,179.40 and 125,691.55

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Solution

The fourth proportional to 227,665.89, 314,179.40 and 125,691.55 is: 173,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,665.89 : 314,179.40 = 125,691.55 : x
  2. Step 2: Convert to fraction form
    227,665.89/314,179.40 = 125,691.55/x
  3. Step 3: Cross multiply
    227,665.89x = 314,179.40 × 125,691.55
  4. Step 4: Simplify right side
    227,665.89x = 39,489,695,999.68
  5. Step 5: Solve for x
    x = 39,489,695,999.68/227,665.89
  6. Step 6: Final answer
    x = 173,454.60

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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.