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Finding the Fourth Proportional to 95,907.88, 143,938.86 and 43,321.96

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Solution

The fourth proportional to 95,907.88, 143,938.86 and 43,321.96 is: 65,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,907.88 : 143,938.86 = 43,321.96 : x
  2. Step 2: Convert to fraction form
    95,907.88/143,938.86 = 43,321.96/x
  3. Step 3: Cross multiply
    95,907.88x = 143,938.86 × 43,321.96
  4. Step 4: Simplify right side
    95,907.88x = 6,235,713,535.37
  5. Step 5: Solve for x
    x = 6,235,713,535.37/95,907.88
  6. Step 6: Final answer
    x = 65,017.74

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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.