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Finding the Fourth Proportional to 133,107.27, 183,661.27 and 84,728.67

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Solution

The fourth proportional to 133,107.27, 183,661.27 and 84,728.67 is: 116,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,107.27 : 183,661.27 = 84,728.67 : x
  2. Step 2: Convert to fraction form
    133,107.27/183,661.27 = 84,728.67/x
  3. Step 3: Cross multiply
    133,107.27x = 183,661.27 × 84,728.67
  4. Step 4: Simplify right side
    133,107.27x = 15,561,375,137.61
  5. Step 5: Solve for x
    x = 15,561,375,137.61/133,107.27
  6. Step 6: Final answer
    x = 116,908.53

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1.5x scale

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.