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Finding the Fourth Proportional to 63,243.16, 87,274.66 and 34,949.32

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Solution

The fourth proportional to 63,243.16, 87,274.66 and 34,949.32 is: 48,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.16 : 87,274.66 = 34,949.32 : x
  2. Step 2: Convert to fraction form
    63,243.16/87,274.66 = 34,949.32/x
  3. Step 3: Cross multiply
    63,243.16x = 87,274.66 × 34,949.32
  4. Step 4: Simplify right side
    63,243.16x = 3,050,190,020.23
  5. Step 5: Solve for x
    x = 3,050,190,020.23/63,243.16
  6. Step 6: Final answer
    x = 48,229.56

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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.