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Finding the Fourth Proportional to 185,227.71, 277,537.82 and 78,526.41

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Solution

The fourth proportional to 185,227.71, 277,537.82 and 78,526.41 is: 117,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,227.71 : 277,537.82 = 78,526.41 : x
  2. Step 2: Convert to fraction form
    185,227.71/277,537.82 = 78,526.41/x
  3. Step 3: Cross multiply
    185,227.71x = 277,537.82 × 78,526.41
  4. Step 4: Simplify right side
    185,227.71x = 21,794,048,251.19
  5. Step 5: Solve for x
    x = 21,794,048,251.19/185,227.71
  6. Step 6: Final answer
    x = 117,660.84

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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.