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Finding the Fourth Proportional to 111,299.28, 166,948.86 and 27,058.89

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Solution

The fourth proportional to 111,299.28, 166,948.86 and 27,058.89 is: 40,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,299.28 : 166,948.86 = 27,058.89 : x
  2. Step 2: Convert to fraction form
    111,299.28/166,948.86 = 27,058.89/x
  3. Step 3: Cross multiply
    111,299.28x = 166,948.86 × 27,058.89
  4. Step 4: Simplify right side
    111,299.28x = 4,517,450,043.11
  5. Step 5: Solve for x
    x = 4,517,450,043.11/111,299.28
  6. Step 6: Final answer
    x = 40,588.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.