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Finding the Fourth Proportional to 185,141.73, 277,655.13 and 66,797.67

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Solution

The fourth proportional to 185,141.73, 277,655.13 and 66,797.67 is: 100,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,141.73 : 277,655.13 = 66,797.67 : x
  2. Step 2: Convert to fraction form
    185,141.73/277,655.13 = 66,797.67/x
  3. Step 3: Cross multiply
    185,141.73x = 277,655.13 × 66,797.67
  4. Step 4: Simplify right side
    185,141.73x = 18,546,715,747.55
  5. Step 5: Solve for x
    x = 18,546,715,747.55/185,141.73
  6. Step 6: Final answer
    x = 100,175.77

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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.