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Finding the Fourth Proportional to 185,119.02, 277,621.02 and 66,774.98

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Solution

The fourth proportional to 185,119.02, 277,621.02 and 66,774.98 is: 100,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,119.02 : 277,621.02 = 66,774.98 : x
  2. Step 2: Convert to fraction form
    185,119.02/277,621.02 = 66,774.98/x
  3. Step 3: Cross multiply
    185,119.02x = 277,621.02 × 66,774.98
  4. Step 4: Simplify right side
    185,119.02x = 18,538,138,752.13
  5. Step 5: Solve for x
    x = 18,538,138,752.13/185,119.02
  6. Step 6: Final answer
    x = 100,141.73

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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.