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Finding the Fourth Proportional to 60,186.66, 90,294.57 and 18,066.66

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Solution

The fourth proportional to 60,186.66, 90,294.57 and 18,066.66 is: 27,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,186.66 : 90,294.57 = 18,066.66 : x
  2. Step 2: Convert to fraction form
    60,186.66/90,294.57 = 18,066.66/x
  3. Step 3: Cross multiply
    60,186.66x = 90,294.57 × 18,066.66
  4. Step 4: Simplify right side
    60,186.66x = 1,631,321,296.04
  5. Step 5: Solve for x
    x = 1,631,321,296.04/60,186.66
  6. Step 6: Final answer
    x = 27,104.37

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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.