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Finding the Fourth Proportional to 103,749.69, 155,375.04 and 59,241.54

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Solution

The fourth proportional to 103,749.69, 155,375.04 and 59,241.54 is: 88,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,749.69 : 155,375.04 = 59,241.54 : x
  2. Step 2: Convert to fraction form
    103,749.69/155,375.04 = 59,241.54/x
  3. Step 3: Cross multiply
    103,749.69x = 155,375.04 × 59,241.54
  4. Step 4: Simplify right side
    103,749.69x = 9,204,656,647.16
  5. Step 5: Solve for x
    x = 9,204,656,647.16/103,749.69
  6. Step 6: Final answer
    x = 88,719.85

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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.