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Finding the Fourth Proportional to 368,067.76, 552,101.37 and 118,749.76

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Solution

The fourth proportional to 368,067.76, 552,101.37 and 118,749.76 is: 178,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,067.76 : 552,101.37 = 118,749.76 : x
  2. Step 2: Convert to fraction form
    368,067.76/552,101.37 = 118,749.76/x
  3. Step 3: Cross multiply
    368,067.76x = 552,101.37 × 118,749.76
  4. Step 4: Simplify right side
    368,067.76x = 65,561,905,183.17
  5. Step 5: Solve for x
    x = 65,561,905,183.17/368,067.76
  6. Step 6: Final answer
    x = 178,124.55

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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.