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Finding the Fourth Proportional to 63,147.36, 94,657.04 and 40,974.82

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Solution

The fourth proportional to 63,147.36, 94,657.04 and 40,974.82 is: 61,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.36 : 94,657.04 = 40,974.82 : x
  2. Step 2: Convert to fraction form
    63,147.36/94,657.04 = 40,974.82/x
  3. Step 3: Cross multiply
    63,147.36x = 94,657.04 × 40,974.82
  4. Step 4: Simplify right side
    63,147.36x = 3,878,555,175.73
  5. Step 5: Solve for x
    x = 3,878,555,175.73/63,147.36
  6. Step 6: Final answer
    x = 61,420.70

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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.