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Finding the Fourth Proportional to 68,952.59, 103,376.26 and 35,651.40

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Solution

The fourth proportional to 68,952.59, 103,376.26 and 35,651.40 is: 53,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952.59 : 103,376.26 = 35,651.40 : x
  2. Step 2: Convert to fraction form
    68,952.59/103,376.26 = 35,651.40/x
  3. Step 3: Cross multiply
    68,952.59x = 103,376.26 × 35,651.40
  4. Step 4: Simplify right side
    68,952.59x = 3,685,508,395.76
  5. Step 5: Solve for x
    x = 3,685,508,395.76/68,952.59
  6. Step 6: Final answer
    x = 53,449.89

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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.