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Finding the Fourth Proportional to 93,418.17, 140,112.18 and 26,843.15

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Solution

The fourth proportional to 93,418.17, 140,112.18 and 26,843.15 is: 40,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418.17 : 140,112.18 = 26,843.15 : x
  2. Step 2: Convert to fraction form
    93,418.17/140,112.18 = 26,843.15/x
  3. Step 3: Cross multiply
    93,418.17x = 140,112.18 × 26,843.15
  4. Step 4: Simplify right side
    93,418.17x = 3,761,051,564.01
  5. Step 5: Solve for x
    x = 3,761,051,564.01/93,418.17
  6. Step 6: Final answer
    x = 40,260.39

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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.