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Finding the Fourth Proportional to 185,141.84, 277,738.68 and 60,451.28

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Solution

The fourth proportional to 185,141.84, 277,738.68 and 60,451.28 is: 90,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,141.84 : 277,738.68 = 60,451.28 : x
  2. Step 2: Convert to fraction form
    185,141.84/277,738.68 = 60,451.28/x
  3. Step 3: Cross multiply
    185,141.84x = 277,738.68 × 60,451.28
  4. Step 4: Simplify right side
    185,141.84x = 16,789,658,711.51
  5. Step 5: Solve for x
    x = 16,789,658,711.51/185,141.84
  6. Step 6: Final answer
    x = 90,685.38

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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.