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Finding the Fourth Proportional to 276,608.13, 414,649.71 and 99,023.73

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Solution

The fourth proportional to 276,608.13, 414,649.71 and 99,023.73 is: 148,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,608.13 : 414,649.71 = 99,023.73 : x
  2. Step 2: Convert to fraction form
    276,608.13/414,649.71 = 99,023.73/x
  3. Step 3: Cross multiply
    276,608.13x = 414,649.71 × 99,023.73
  4. Step 4: Simplify right side
    276,608.13x = 41,060,160,927.62
  5. Step 5: Solve for x
    x = 41,060,160,927.62/276,608.13
  6. Step 6: Final answer
    x = 148,441.63

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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.