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Finding the Fourth Proportional to 63,820.98, 87,703.02 and 60,893.91

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Solution

The fourth proportional to 63,820.98, 87,703.02 and 60,893.91 is: 83,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,820.98 : 87,703.02 = 60,893.91 : x
  2. Step 2: Convert to fraction form
    63,820.98/87,703.02 = 60,893.91/x
  3. Step 3: Cross multiply
    63,820.98x = 87,703.02 × 60,893.91
  4. Step 4: Simplify right side
    63,820.98x = 5,340,579,806.61
  5. Step 5: Solve for x
    x = 5,340,579,806.61/63,820.98
  6. Step 6: Final answer
    x = 83,680.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.