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Finding the Fourth Proportional to 62,868.90, 94,412.70 and 60,900.60

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Solution

The fourth proportional to 62,868.90, 94,412.70 and 60,900.60 is: 91,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,868.90 : 94,412.70 = 60,900.60 : x
  2. Step 2: Convert to fraction form
    62,868.90/94,412.70 = 60,900.60/x
  3. Step 3: Cross multiply
    62,868.90x = 94,412.70 × 60,900.60
  4. Step 4: Simplify right side
    62,868.90x = 5,749,790,077.62
  5. Step 5: Solve for x
    x = 5,749,790,077.62/62,868.90
  6. Step 6: Final answer
    x = 91,456.83

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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.