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Finding the Fourth Proportional to 101,584.72, 140,202.44 and 63,350.52

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Solution

The fourth proportional to 101,584.72, 140,202.44 and 63,350.52 is: 87,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,584.72 : 140,202.44 = 63,350.52 : x
  2. Step 2: Convert to fraction form
    101,584.72/140,202.44 = 63,350.52/x
  3. Step 3: Cross multiply
    101,584.72x = 140,202.44 × 63,350.52
  4. Step 4: Simplify right side
    101,584.72x = 8,881,897,479.27
  5. Step 5: Solve for x
    x = 8,881,897,479.27/101,584.72
  6. Step 6: Final answer
    x = 87,433.40

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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.