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Finding the Fourth Proportional to 95,536.80, 143,286.98 and 28,979.10

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Solution

The fourth proportional to 95,536.80, 143,286.98 and 28,979.10 is: 43,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,536.80 : 143,286.98 = 28,979.10 : x
  2. Step 2: Convert to fraction form
    95,536.80/143,286.98 = 28,979.10/x
  3. Step 3: Cross multiply
    95,536.80x = 143,286.98 × 28,979.10
  4. Step 4: Simplify right side
    95,536.80x = 4,152,327,577.22
  5. Step 5: Solve for x
    x = 4,152,327,577.22/95,536.80
  6. Step 6: Final answer
    x = 43,463.12

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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.