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Finding the Fourth Proportional to 114,517.87, 171,788.57 and 39,637.89

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Solution

The fourth proportional to 114,517.87, 171,788.57 and 39,637.89 is: 59,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,517.87 : 171,788.57 = 39,637.89 : x
  2. Step 2: Convert to fraction form
    114,517.87/171,788.57 = 39,637.89/x
  3. Step 3: Cross multiply
    114,517.87x = 171,788.57 × 39,637.89
  4. Step 4: Simplify right side
    114,517.87x = 6,809,336,391.37
  5. Step 5: Solve for x
    x = 6,809,336,391.37/114,517.87
  6. Step 6: Final answer
    x = 59,460.91

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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.