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Finding the Fourth Proportional to 63,224.71, 87,242.22 and 39,359.08

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Solution

The fourth proportional to 63,224.71, 87,242.22 and 39,359.08 is: 54,310.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,224.71 : 87,242.22 = 39,359.08 : x
  2. Step 2: Convert to fraction form
    63,224.71/87,242.22 = 39,359.08/x
  3. Step 3: Cross multiply
    63,224.71x = 87,242.22 × 39,359.08
  4. Step 4: Simplify right side
    63,224.71x = 3,433,773,516.36
  5. Step 5: Solve for x
    x = 3,433,773,516.36/63,224.71
  6. Step 6: Final answer
    x = 54,310.63

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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.