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Finding the Fourth Proportional to 114,396.51, 171,587.22 and 39,517.72

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Solution

The fourth proportional to 114,396.51, 171,587.22 and 39,517.72 is: 59,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,396.51 : 171,587.22 = 39,517.72 : x
  2. Step 2: Convert to fraction form
    114,396.51/171,587.22 = 39,517.72/x
  3. Step 3: Cross multiply
    114,396.51x = 171,587.22 × 39,517.72
  4. Step 4: Simplify right side
    114,396.51x = 6,780,735,715.54
  5. Step 5: Solve for x
    x = 6,780,735,715.54/114,396.51
  6. Step 6: Final answer
    x = 59,273.97

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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.