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Finding the Fourth Proportional to 115,588.50, 159,512.31 and 62,596.50

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Solution

The fourth proportional to 115,588.50, 159,512.31 and 62,596.50 is: 86,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,588.50 : 159,512.31 = 62,596.50 : x
  2. Step 2: Convert to fraction form
    115,588.50/159,512.31 = 62,596.50/x
  3. Step 3: Cross multiply
    115,588.50x = 159,512.31 × 62,596.50
  4. Step 4: Simplify right side
    115,588.50x = 9,984,912,312.92
  5. Step 5: Solve for x
    x = 9,984,912,312.92/115,588.50
  6. Step 6: Final answer
    x = 86,383.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.