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Finding the Fourth Proportional to 256,103.37, 383,225.40 and 185,168.07

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Solution

The fourth proportional to 256,103.37, 383,225.40 and 185,168.07 is: 277,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,103.37 : 383,225.40 = 185,168.07 : x
  2. Step 2: Convert to fraction form
    256,103.37/383,225.40 = 185,168.07/x
  3. Step 3: Cross multiply
    256,103.37x = 383,225.40 × 185,168.07
  4. Step 4: Simplify right side
    256,103.37x = 70,961,107,692.98
  5. Step 5: Solve for x
    x = 70,961,107,692.98/256,103.37
  6. Step 6: Final answer
    x = 277,079.95

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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.