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Finding the Fourth Proportional to 108,786.88, 163,227.12 and 58,902.63

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Solution

The fourth proportional to 108,786.88, 163,227.12 and 58,902.63 is: 88,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,786.88 : 163,227.12 = 58,902.63 : x
  2. Step 2: Convert to fraction form
    108,786.88/163,227.12 = 58,902.63/x
  3. Step 3: Cross multiply
    108,786.88x = 163,227.12 × 58,902.63
  4. Step 4: Simplify right side
    108,786.88x = 9,614,506,655.33
  5. Step 5: Solve for x
    x = 9,614,506,655.33/108,786.88
  6. Step 6: Final answer
    x = 88,379.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.