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Finding the Fourth Proportional to 185,274.54, 277,700.11 and 84,149.71

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Solution

The fourth proportional to 185,274.54, 277,700.11 and 84,149.71 is: 126,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,274.54 : 277,700.11 = 84,149.71 : x
  2. Step 2: Convert to fraction form
    185,274.54/277,700.11 = 84,149.71/x
  3. Step 3: Cross multiply
    185,274.54x = 277,700.11 × 84,149.71
  4. Step 4: Simplify right side
    185,274.54x = 23,368,382,818.84
  5. Step 5: Solve for x
    x = 23,368,382,818.84/185,274.54
  6. Step 6: Final answer
    x = 126,128.41

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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.