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Finding the Fourth Proportional to 111,937.11, 167,086.67 and 98,651.49

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Solution

The fourth proportional to 111,937.11, 167,086.67 and 98,651.49 is: 147,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,937.11 : 167,086.67 = 98,651.49 : x
  2. Step 2: Convert to fraction form
    111,937.11/167,086.67 = 98,651.49/x
  3. Step 3: Cross multiply
    111,937.11x = 167,086.67 × 98,651.49
  4. Step 4: Simplify right side
    111,937.11x = 16,483,348,461.38
  5. Step 5: Solve for x
    x = 16,483,348,461.38/111,937.11
  6. Step 6: Final answer
    x = 147,255.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.