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Finding the Fourth Proportional to 115,575.75, 159,494.54 and 62,583.75

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Solution

The fourth proportional to 115,575.75, 159,494.54 and 62,583.75 is: 86,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,575.75 : 159,494.54 = 62,583.75 : x
  2. Step 2: Convert to fraction form
    115,575.75/159,494.54 = 62,583.75/x
  3. Step 3: Cross multiply
    115,575.75x = 159,494.54 × 62,583.75
  4. Step 4: Simplify right side
    115,575.75x = 9,981,766,104.81
  5. Step 5: Solve for x
    x = 9,981,766,104.81/115,575.75
  6. Step 6: Final answer
    x = 86,365.58

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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.