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Finding the Fourth Proportional to 95,378.34, 143,080.92 and 28,810.92

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Solution

The fourth proportional to 95,378.34, 143,080.92 and 28,810.92 is: 43,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,378.34 : 143,080.92 = 28,810.92 : x
  2. Step 2: Convert to fraction form
    95,378.34/143,080.92 = 28,810.92/x
  3. Step 3: Cross multiply
    95,378.34x = 143,080.92 × 28,810.92
  4. Step 4: Simplify right side
    95,378.34x = 4,122,292,939.65
  5. Step 5: Solve for x
    x = 4,122,292,939.65/95,378.34
  6. Step 6: Final answer
    x = 43,220.43

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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.