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Finding the Fourth Proportional to 126,394.56, 174,422.40 and 69,804.48

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Solution

The fourth proportional to 126,394.56, 174,422.40 and 69,804.48 is: 96,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,394.56 : 174,422.40 = 69,804.48 : x
  2. Step 2: Convert to fraction form
    126,394.56/174,422.40 = 69,804.48/x
  3. Step 3: Cross multiply
    126,394.56x = 174,422.40 × 69,804.48
  4. Step 4: Simplify right side
    126,394.56x = 12,175,464,932.35
  5. Step 5: Solve for x
    x = 12,175,464,932.35/126,394.56
  6. Step 6: Final answer
    x = 96,329.03

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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.