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Finding the Fourth Proportional to 227,773.40, 341,951.70 and 121,242.20

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Solution

The fourth proportional to 227,773.40, 341,951.70 and 121,242.20 is: 182,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,773.40 : 341,951.70 = 121,242.20 : x
  2. Step 2: Convert to fraction form
    227,773.40/341,951.70 = 121,242.20/x
  3. Step 3: Cross multiply
    227,773.40x = 341,951.70 × 121,242.20
  4. Step 4: Simplify right side
    227,773.40x = 41,458,976,401.74
  5. Step 5: Solve for x
    x = 41,458,976,401.74/227,773.40
  6. Step 6: Final answer
    x = 182,018.52

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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.