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Finding the Fourth Proportional to 95,364.98, 143,073.27 and 28,807.28

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Solution

The fourth proportional to 95,364.98, 143,073.27 and 28,807.28 is: 43,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,364.98 : 143,073.27 = 28,807.28 : x
  2. Step 2: Convert to fraction form
    95,364.98/143,073.27 = 28,807.28/x
  3. Step 3: Cross multiply
    95,364.98x = 143,073.27 × 28,807.28
  4. Step 4: Simplify right side
    95,364.98x = 4,121,551,034.04
  5. Step 5: Solve for x
    x = 4,121,551,034.04/95,364.98
  6. Step 6: Final answer
    x = 43,218.71

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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.