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Finding the Fourth Proportional to 378,152.76, 567,227.52 and 111,914.94

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Solution

The fourth proportional to 378,152.76, 567,227.52 and 111,914.94 is: 167,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,152.76 : 567,227.52 = 111,914.94 : x
  2. Step 2: Convert to fraction form
    378,152.76/567,227.52 = 111,914.94/x
  3. Step 3: Cross multiply
    378,152.76x = 567,227.52 × 111,914.94
  4. Step 4: Simplify right side
    378,152.76x = 63,481,233,867.15
  5. Step 5: Solve for x
    x = 63,481,233,867.15/378,152.76
  6. Step 6: Final answer
    x = 167,871.93

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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.