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Finding the Fourth Proportional to 126,334.44, 174,326.64 and 75,349.98

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Solution

The fourth proportional to 126,334.44, 174,326.64 and 75,349.98 is: 103,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,334.44 : 174,326.64 = 75,349.98 : x
  2. Step 2: Convert to fraction form
    126,334.44/174,326.64 = 75,349.98/x
  3. Step 3: Cross multiply
    126,334.44x = 174,326.64 × 75,349.98
  4. Step 4: Simplify right side
    126,334.44x = 13,135,508,837.47
  5. Step 5: Solve for x
    x = 13,135,508,837.47/126,334.44
  6. Step 6: Final answer
    x = 103,974.09

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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.