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Finding the Fourth Proportional to 176,892.28, 265,337.82 and 71,711

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Solution

The fourth proportional to 176,892.28, 265,337.82 and 71,711 is: 107,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,892.28 : 265,337.82 = 71,711 : x
  2. Step 2: Convert to fraction form
    176,892.28/265,337.82 = 71,711/x
  3. Step 3: Cross multiply
    176,892.28x = 265,337.82 × 71,711
  4. Step 4: Simplify right side
    176,892.28x = 19,027,640,410.02
  5. Step 5: Solve for x
    x = 19,027,640,410.02/176,892.28
  6. Step 6: Final answer
    x = 107,566.26

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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.