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Finding the Fourth Proportional to 70,734.44, 105,926.70 and 44,359.22

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Solution

The fourth proportional to 70,734.44, 105,926.70 and 44,359.22 is: 66,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.44 : 105,926.70 = 44,359.22 : x
  2. Step 2: Convert to fraction form
    70,734.44/105,926.70 = 44,359.22/x
  3. Step 3: Cross multiply
    70,734.44x = 105,926.70 × 44,359.22
  4. Step 4: Simplify right side
    70,734.44x = 4,698,825,789.17
  5. Step 5: Solve for x
    x = 4,698,825,789.17/70,734.44
  6. Step 6: Final answer
    x = 66,429.11

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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.