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Finding the Fourth Proportional to 63,179, 87,187.20 and 34,884.44

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Solution

The fourth proportional to 63,179, 87,187.20 and 34,884.44 is: 48,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,179 : 87,187.20 = 34,884.44 : x
  2. Step 2: Convert to fraction form
    63,179/87,187.20 = 34,884.44/x
  3. Step 3: Cross multiply
    63,179x = 87,187.20 × 34,884.44
  4. Step 4: Simplify right side
    63,179x = 3,041,476,647.17
  5. Step 5: Solve for x
    x = 3,041,476,647.17/63,179
  6. Step 6: Final answer
    x = 48,140.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.