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Finding the Fourth Proportional to 68,826.71, 103,277.68 and 26,708.46

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Solution

The fourth proportional to 68,826.71, 103,277.68 and 26,708.46 is: 40,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,826.71 : 103,277.68 = 26,708.46 : x
  2. Step 2: Convert to fraction form
    68,826.71/103,277.68 = 26,708.46/x
  3. Step 3: Cross multiply
    68,826.71x = 103,277.68 × 26,708.46
  4. Step 4: Simplify right side
    68,826.71x = 2,758,387,771.81
  5. Step 5: Solve for x
    x = 2,758,387,771.81/68,826.71
  6. Step 6: Final answer
    x = 40,077.28

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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.