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Finding the Fourth Proportional to 68,541.58, 102,801.74 and 26,441.39

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Solution

The fourth proportional to 68,541.58, 102,801.74 and 26,441.39 is: 39,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,541.58 : 102,801.74 = 26,441.39 : x
  2. Step 2: Convert to fraction form
    68,541.58/102,801.74 = 26,441.39/x
  3. Step 3: Cross multiply
    68,541.58x = 102,801.74 × 26,441.39
  4. Step 4: Simplify right side
    68,541.58x = 2,718,221,024.82
  5. Step 5: Solve for x
    x = 2,718,221,024.82/68,541.58
  6. Step 6: Final answer
    x = 39,657.99

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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.