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Finding the Fourth Proportional to 95,977.89, 143,970.21 and 25,858.89

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Solution

The fourth proportional to 95,977.89, 143,970.21 and 25,858.89 is: 38,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,977.89 : 143,970.21 = 25,858.89 : x
  2. Step 2: Convert to fraction form
    95,977.89/143,970.21 = 25,858.89/x
  3. Step 3: Cross multiply
    95,977.89x = 143,970.21 × 25,858.89
  4. Step 4: Simplify right side
    95,977.89x = 3,722,909,823.67
  5. Step 5: Solve for x
    x = 3,722,909,823.67/95,977.89
  6. Step 6: Final answer
    x = 38,789.24

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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.