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Finding the Fourth Proportional to 71,767.26, 99,066.38 and 53,914.06

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Solution

The fourth proportional to 71,767.26, 99,066.38 and 53,914.06 is: 74,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,767.26 : 99,066.38 = 53,914.06 : x
  2. Step 2: Convert to fraction form
    71,767.26/99,066.38 = 53,914.06/x
  3. Step 3: Cross multiply
    71,767.26x = 99,066.38 × 53,914.06
  4. Step 4: Simplify right side
    71,767.26x = 5,341,070,755.30
  5. Step 5: Solve for x
    x = 5,341,070,755.30/71,767.26
  6. Step 6: Final answer
    x = 74,422.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.