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Finding the Fourth Proportional to 213,221.88, 294,244.14 and 117,726.54

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Solution

The fourth proportional to 213,221.88, 294,244.14 and 117,726.54 is: 162,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,221.88 : 294,244.14 = 117,726.54 : x
  2. Step 2: Convert to fraction form
    213,221.88/294,244.14 = 117,726.54/x
  3. Step 3: Cross multiply
    213,221.88x = 294,244.14 × 117,726.54
  4. Step 4: Simplify right side
    213,221.88x = 34,640,344,517.48
  5. Step 5: Solve for x
    x = 34,640,344,517.48/213,221.88
  6. Step 6: Final answer
    x = 162,461.49

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