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Finding the Fourth Proportional to 73,360.88, 110,188.56 and 71,293.76

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Solution

The fourth proportional to 73,360.88, 110,188.56 and 71,293.76 is: 107,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,360.88 : 110,188.56 = 71,293.76 : x
  2. Step 2: Convert to fraction form
    73,360.88/110,188.56 = 71,293.76/x
  3. Step 3: Cross multiply
    73,360.88x = 110,188.56 × 71,293.76
  4. Step 4: Simplify right side
    73,360.88x = 7,855,756,751.39
  5. Step 5: Solve for x
    x = 7,855,756,751.39/73,360.88
  6. Step 6: Final answer
    x = 107,083.73

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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.