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Finding the Fourth Proportional to 182,603.70, 251,978.76 and 100,928.52

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Solution

The fourth proportional to 182,603.70, 251,978.76 and 100,928.52 is: 139,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,603.70 : 251,978.76 = 100,928.52 : x
  2. Step 2: Convert to fraction form
    182,603.70/251,978.76 = 100,928.52/x
  3. Step 3: Cross multiply
    182,603.70x = 251,978.76 × 100,928.52
  4. Step 4: Simplify right side
    182,603.70x = 25,431,843,318.24
  5. Step 5: Solve for x
    x = 25,431,843,318.24/182,603.70
  6. Step 6: Final answer
    x = 139,273.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.