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Finding the Fourth Proportional to 95,736.04, 143,733.98 and 66,081

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Solution

The fourth proportional to 95,736.04, 143,733.98 and 66,081 is: 99,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,736.04 : 143,733.98 = 66,081 : x
  2. Step 2: Convert to fraction form
    95,736.04/143,733.98 = 66,081/x
  3. Step 3: Cross multiply
    95,736.04x = 143,733.98 × 66,081
  4. Step 4: Simplify right side
    95,736.04x = 9,498,085,132.38
  5. Step 5: Solve for x
    x = 9,498,085,132.38/95,736.04
  6. Step 6: Final answer
    x = 99,211.18

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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.