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Finding the Fourth Proportional to 109,969.85, 151,758.36 and 59,668.85

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Solution

The fourth proportional to 109,969.85, 151,758.36 and 59,668.85 is: 82,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,969.85 : 151,758.36 = 59,668.85 : x
  2. Step 2: Convert to fraction form
    109,969.85/151,758.36 = 59,668.85/x
  3. Step 3: Cross multiply
    109,969.85x = 151,758.36 × 59,668.85
  4. Step 4: Simplify right side
    109,969.85x = 9,055,247,198.48
  5. Step 5: Solve for x
    x = 9,055,247,198.48/109,969.85
  6. Step 6: Final answer
    x = 82,343.00

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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.