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Finding the Fourth Proportional to 171,239.46, 256,795.34 and 58,887.87

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Solution

The fourth proportional to 171,239.46, 256,795.34 and 58,887.87 is: 88,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,239.46 : 256,795.34 = 58,887.87 : x
  2. Step 2: Convert to fraction form
    171,239.46/256,795.34 = 58,887.87/x
  3. Step 3: Cross multiply
    171,239.46x = 256,795.34 × 58,887.87
  4. Step 4: Simplify right side
    171,239.46x = 15,122,130,304.09
  5. Step 5: Solve for x
    x = 15,122,130,304.09/171,239.46
  6. Step 6: Final answer
    x = 88,309.85

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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.