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Finding the Fourth Proportional to 95,789.81, 143,702.12 and 39,599.39

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Solution

The fourth proportional to 95,789.81, 143,702.12 and 39,599.39 is: 59,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,789.81 : 143,702.12 = 39,599.39 : x
  2. Step 2: Convert to fraction form
    95,789.81/143,702.12 = 39,599.39/x
  3. Step 3: Cross multiply
    95,789.81x = 143,702.12 × 39,599.39
  4. Step 4: Simplify right side
    95,789.81x = 5,690,516,751.96
  5. Step 5: Solve for x
    x = 5,690,516,751.96/95,789.81
  6. Step 6: Final answer
    x = 59,406.28

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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.