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Finding the Fourth Proportional to 185,388.75, 277,984.71 and 85,497.53

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Solution

The fourth proportional to 185,388.75, 277,984.71 and 85,497.53 is: 128,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,388.75 : 277,984.71 = 85,497.53 : x
  2. Step 2: Convert to fraction form
    185,388.75/277,984.71 = 85,497.53/x
  3. Step 3: Cross multiply
    185,388.75x = 277,984.71 × 85,497.53
  4. Step 4: Simplify right side
    185,388.75x = 23,767,004,692.84
  5. Step 5: Solve for x
    x = 23,767,004,692.84/185,388.75
  6. Step 6: Final answer
    x = 128,200.90

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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.