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Finding the Fourth Proportional to 60,198.93, 90,265.52 and 47,798.61

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Solution

The fourth proportional to 60,198.93, 90,265.52 and 47,798.61 is: 71,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,198.93 : 90,265.52 = 47,798.61 : x
  2. Step 2: Convert to fraction form
    60,198.93/90,265.52 = 47,798.61/x
  3. Step 3: Cross multiply
    60,198.93x = 90,265.52 × 47,798.61
  4. Step 4: Simplify right side
    60,198.93x = 4,314,566,147.93
  5. Step 5: Solve for x
    x = 4,314,566,147.93/60,198.93
  6. Step 6: Final answer
    x = 71,671.81

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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.