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Finding the Fourth Proportional to 61,698.80, 92,494.20 and 41,913.20

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Solution

The fourth proportional to 61,698.80, 92,494.20 and 41,913.20 is: 62,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,698.80 : 92,494.20 = 41,913.20 : x
  2. Step 2: Convert to fraction form
    61,698.80/92,494.20 = 41,913.20/x
  3. Step 3: Cross multiply
    61,698.80x = 92,494.20 × 41,913.20
  4. Step 4: Simplify right side
    61,698.80x = 3,876,727,903.44
  5. Step 5: Solve for x
    x = 3,876,727,903.44/61,698.80
  6. Step 6: Final answer
    x = 62,833.12

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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.