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Finding the Fourth Proportional to 63,188.16, 87,198.96 and 34,893.28

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Solution

The fourth proportional to 63,188.16, 87,198.96 and 34,893.28 is: 48,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,188.16 : 87,198.96 = 34,893.28 : x
  2. Step 2: Convert to fraction form
    63,188.16/87,198.96 = 34,893.28/x
  3. Step 3: Cross multiply
    63,188.16x = 87,198.96 × 34,893.28
  4. Step 4: Simplify right side
    63,188.16x = 3,042,657,726.99
  5. Step 5: Solve for x
    x = 3,042,657,726.99/63,188.16
  6. Step 6: Final answer
    x = 48,152.34

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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.