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Finding the Fourth Proportional to 92,187.96, 138,251.17 and 36,013.51

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Solution

The fourth proportional to 92,187.96, 138,251.17 and 36,013.51 is: 54,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,187.96 : 138,251.17 = 36,013.51 : x
  2. Step 2: Convert to fraction form
    92,187.96/138,251.17 = 36,013.51/x
  3. Step 3: Cross multiply
    92,187.96x = 138,251.17 × 36,013.51
  4. Step 4: Simplify right side
    92,187.96x = 4,978,909,893.31
  5. Step 5: Solve for x
    x = 4,978,909,893.31/92,187.96
  6. Step 6: Final answer
    x = 54,008.24

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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.