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Finding the Fourth Proportional to 207,273.20, 311,092.06 and 122,927.90

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Solution

The fourth proportional to 207,273.20, 311,092.06 and 122,927.90 is: 184,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,273.20 : 311,092.06 = 122,927.90 : x
  2. Step 2: Convert to fraction form
    207,273.20/311,092.06 = 122,927.90/x
  3. Step 3: Cross multiply
    207,273.20x = 311,092.06 × 122,927.90
  4. Step 4: Simplify right side
    207,273.20x = 38,241,893,642.47
  5. Step 5: Solve for x
    x = 38,241,893,642.47/207,273.20
  6. Step 6: Final answer
    x = 184,499.94

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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.