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Finding the Fourth Proportional to 114,548.57, 171,781.67 and 39,648.41

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Solution

The fourth proportional to 114,548.57, 171,781.67 and 39,648.41 is: 59,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,548.57 : 171,781.67 = 39,648.41 : x
  2. Step 2: Convert to fraction form
    114,548.57/171,781.67 = 39,648.41/x
  3. Step 3: Cross multiply
    114,548.57x = 171,781.67 × 39,648.41
  4. Step 4: Simplify right side
    114,548.57x = 6,810,870,082.64
  5. Step 5: Solve for x
    x = 6,810,870,082.64/114,548.57
  6. Step 6: Final answer
    x = 59,458.36

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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.