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Finding the Fourth Proportional to 158,939.57, 238,317.01 and 64,092.11

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Solution

The fourth proportional to 158,939.57, 238,317.01 and 64,092.11 is: 96,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,939.57 : 238,317.01 = 64,092.11 : x
  2. Step 2: Convert to fraction form
    158,939.57/238,317.01 = 64,092.11/x
  3. Step 3: Cross multiply
    158,939.57x = 238,317.01 × 64,092.11
  4. Step 4: Simplify right side
    158,939.57x = 15,274,238,667.98
  5. Step 5: Solve for x
    x = 15,274,238,667.98/158,939.57
  6. Step 6: Final answer
    x = 96,100.92

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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.