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Finding the Fourth Proportional to 124,755.15, 187,231.02 and 58,161

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Solution

The fourth proportional to 124,755.15, 187,231.02 and 58,161 is: 87,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,755.15 : 187,231.02 = 58,161 : x
  2. Step 2: Convert to fraction form
    124,755.15/187,231.02 = 58,161/x
  3. Step 3: Cross multiply
    124,755.15x = 187,231.02 × 58,161
  4. Step 4: Simplify right side
    124,755.15x = 10,889,543,354.22
  5. Step 5: Solve for x
    x = 10,889,543,354.22/124,755.15
  6. Step 6: Final answer
    x = 87,287.33

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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.