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Finding the Fourth Proportional to 95,975.88, 144,040.80 and 43,389.90

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Solution

The fourth proportional to 95,975.88, 144,040.80 and 43,389.90 is: 65,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,975.88 : 144,040.80 = 43,389.90 : x
  2. Step 2: Convert to fraction form
    95,975.88/144,040.80 = 43,389.90/x
  3. Step 3: Cross multiply
    95,975.88x = 144,040.80 × 43,389.90
  4. Step 4: Simplify right side
    95,975.88x = 6,249,915,907.92
  5. Step 5: Solve for x
    x = 6,249,915,907.92/95,975.88
  6. Step 6: Final answer
    x = 65,119.65

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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.