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Finding the Fourth Proportional to 110,801.52, 166,950.18 and 91,512.18

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Solution

The fourth proportional to 110,801.52, 166,950.18 and 91,512.18 is: 137,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,801.52 : 166,950.18 = 91,512.18 : x
  2. Step 2: Convert to fraction form
    110,801.52/166,950.18 = 91,512.18/x
  3. Step 3: Cross multiply
    110,801.52x = 166,950.18 × 91,512.18
  4. Step 4: Simplify right side
    110,801.52x = 15,277,974,923.19
  5. Step 5: Solve for x
    x = 15,277,974,923.19/110,801.52
  6. Step 6: Final answer
    x = 137,885.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.