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Finding the Fourth Proportional to 60,187.79, 90,296.28 and 18,067.79

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Solution

The fourth proportional to 60,187.79, 90,296.28 and 18,067.79 is: 27,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,187.79 : 90,296.28 = 18,067.79 : x
  2. Step 2: Convert to fraction form
    60,187.79/90,296.28 = 18,067.79/x
  3. Step 3: Cross multiply
    60,187.79x = 90,296.28 × 18,067.79
  4. Step 4: Simplify right side
    60,187.79x = 1,631,453,773.34
  5. Step 5: Solve for x
    x = 1,631,453,773.34/60,187.79
  6. Step 6: Final answer
    x = 27,106.06

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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.