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Finding the Fourth Proportional to 95,751.72, 143,600.85 and 57,258.09

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Solution

The fourth proportional to 95,751.72, 143,600.85 and 57,258.09 is: 85,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,751.72 : 143,600.85 = 57,258.09 : x
  2. Step 2: Convert to fraction form
    95,751.72/143,600.85 = 57,258.09/x
  3. Step 3: Cross multiply
    95,751.72x = 143,600.85 × 57,258.09
  4. Step 4: Simplify right side
    95,751.72x = 8,222,310,393.38
  5. Step 5: Solve for x
    x = 8,222,310,393.38/95,751.72
  6. Step 6: Final answer
    x = 85,871.15

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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.