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Finding the Fourth Proportional to 109,107.82, 150,532.59 and 88,930

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Solution

The fourth proportional to 109,107.82, 150,532.59 and 88,930 is: 122,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,107.82 : 150,532.59 = 88,930 : x
  2. Step 2: Convert to fraction form
    109,107.82/150,532.59 = 88,930/x
  3. Step 3: Cross multiply
    109,107.82x = 150,532.59 × 88,930
  4. Step 4: Simplify right side
    109,107.82x = 13,386,863,228.70
  5. Step 5: Solve for x
    x = 13,386,863,228.70/109,107.82
  6. Step 6: Final answer
    x = 122,693.89

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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.