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Finding the Fourth Proportional to 114,473.10, 157,967.40 and 63,481.85

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Solution

The fourth proportional to 114,473.10, 157,967.40 and 63,481.85 is: 87,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,473.10 : 157,967.40 = 63,481.85 : x
  2. Step 2: Convert to fraction form
    114,473.10/157,967.40 = 63,481.85/x
  3. Step 3: Cross multiply
    114,473.10x = 157,967.40 × 63,481.85
  4. Step 4: Simplify right side
    114,473.10x = 10,028,062,791.69
  5. Step 5: Solve for x
    x = 10,028,062,791.69/114,473.10
  6. Step 6: Final answer
    x = 87,601.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.