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Finding the Fourth Proportional to 169,243.75, 253,982.27 and 58,435.75

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Solution

The fourth proportional to 169,243.75, 253,982.27 and 58,435.75 is: 87,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,243.75 : 253,982.27 = 58,435.75 : x
  2. Step 2: Convert to fraction form
    169,243.75/253,982.27 = 58,435.75/x
  3. Step 3: Cross multiply
    169,243.75x = 253,982.27 × 58,435.75
  4. Step 4: Simplify right side
    169,243.75x = 14,841,644,434.15
  5. Step 5: Solve for x
    x = 14,841,644,434.15/169,243.75
  6. Step 6: Final answer
    x = 87,693.90

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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.