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Finding the Fourth Proportional to 114,146.87, 171,171.63 and 39,274.62

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Solution

The fourth proportional to 114,146.87, 171,171.63 and 39,274.62 is: 58,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,146.87 : 171,171.63 = 39,274.62 : x
  2. Step 2: Convert to fraction form
    114,146.87/171,171.63 = 39,274.62/x
  3. Step 3: Cross multiply
    114,146.87x = 171,171.63 × 39,274.62
  4. Step 4: Simplify right side
    114,146.87x = 6,722,701,043.98
  5. Step 5: Solve for x
    x = 6,722,701,043.98/114,146.87
  6. Step 6: Final answer
    x = 58,895.18

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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.