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Finding the Fourth Proportional to 69,995.55, 96,566.29 and 43,091.31

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Solution

The fourth proportional to 69,995.55, 96,566.29 and 43,091.31 is: 59,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995.55 : 96,566.29 = 43,091.31 : x
  2. Step 2: Convert to fraction form
    69,995.55/96,566.29 = 43,091.31/x
  3. Step 3: Cross multiply
    69,995.55x = 96,566.29 × 43,091.31
  4. Step 4: Simplify right side
    69,995.55x = 4,161,167,937.94
  5. Step 5: Solve for x
    x = 4,161,167,937.94/69,995.55
  6. Step 6: Final answer
    x = 59,449.04

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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.