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Finding the Fourth Proportional to 70,955.73, 106,375.88 and 26,557.61

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Solution

The fourth proportional to 70,955.73, 106,375.88 and 26,557.61 is: 39,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,955.73 : 106,375.88 = 26,557.61 : x
  2. Step 2: Convert to fraction form
    70,955.73/106,375.88 = 26,557.61/x
  3. Step 3: Cross multiply
    70,955.73x = 106,375.88 × 26,557.61
  4. Step 4: Simplify right side
    70,955.73x = 2,825,088,668.96
  5. Step 5: Solve for x
    x = 2,825,088,668.96/70,955.73
  6. Step 6: Final answer
    x = 39,814.81

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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.