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Finding the Fourth Proportional to 227,861.10, 341,791.65 and 121,572.90

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Solution

The fourth proportional to 227,861.10, 341,791.65 and 121,572.90 is: 182,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,861.10 : 341,791.65 = 121,572.90 : x
  2. Step 2: Convert to fraction form
    227,861.10/341,791.65 = 121,572.90/x
  3. Step 3: Cross multiply
    227,861.10x = 341,791.65 × 121,572.90
  4. Step 4: Simplify right side
    227,861.10x = 41,552,602,086.29
  5. Step 5: Solve for x
    x = 41,552,602,086.29/227,861.10
  6. Step 6: Final answer
    x = 182,359.35

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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.