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Finding the Fourth Proportional to 114,046.80, 171,073.74 and 39,165.96

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Solution

The fourth proportional to 114,046.80, 171,073.74 and 39,165.96 is: 58,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,046.80 : 171,073.74 = 39,165.96 : x
  2. Step 2: Convert to fraction form
    114,046.80/171,073.74 = 39,165.96/x
  3. Step 3: Cross multiply
    114,046.80x = 171,073.74 × 39,165.96
  4. Step 4: Simplify right side
    114,046.80x = 6,700,267,257.89
  5. Step 5: Solve for x
    x = 6,700,267,257.89/114,046.80
  6. Step 6: Final answer
    x = 58,750.16

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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.