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Finding the Fourth Proportional to 70,251.86, 105,351.35 and 22,854.56

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Solution

The fourth proportional to 70,251.86, 105,351.35 and 22,854.56 is: 34,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,251.86 : 105,351.35 = 22,854.56 : x
  2. Step 2: Convert to fraction form
    70,251.86/105,351.35 = 22,854.56/x
  3. Step 3: Cross multiply
    70,251.86x = 105,351.35 × 22,854.56
  4. Step 4: Simplify right side
    70,251.86x = 2,407,758,108.63
  5. Step 5: Solve for x
    x = 2,407,758,108.63/70,251.86
  6. Step 6: Final answer
    x = 34,273.23

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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.