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Finding the Fourth Proportional to 185,108.80, 277,663.20 and 164,891.20

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Solution

The fourth proportional to 185,108.80, 277,663.20 and 164,891.20 is: 247,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,108.80 : 277,663.20 = 164,891.20 : x
  2. Step 2: Convert to fraction form
    185,108.80/277,663.20 = 164,891.20/x
  3. Step 3: Cross multiply
    185,108.80x = 277,663.20 × 164,891.20
  4. Step 4: Simplify right side
    185,108.80x = 45,784,218,243.84
  5. Step 5: Solve for x
    x = 45,784,218,243.84/185,108.80
  6. Step 6: Final answer
    x = 247,336.80

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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.