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Finding the Fourth Proportional to 71,497.22, 98,668.80 and 43,197.44

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Solution

The fourth proportional to 71,497.22, 98,668.80 and 43,197.44 is: 59,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,497.22 : 98,668.80 = 43,197.44 : x
  2. Step 2: Convert to fraction form
    71,497.22/98,668.80 = 43,197.44/x
  3. Step 3: Cross multiply
    71,497.22x = 98,668.80 × 43,197.44
  4. Step 4: Simplify right side
    71,497.22x = 4,262,239,567.87
  5. Step 5: Solve for x
    x = 4,262,239,567.87/71,497.22
  6. Step 6: Final answer
    x = 59,614.06

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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.