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Finding the Fourth Proportional to 104,743.68, 157,115.52 and 73,717.44

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Solution

The fourth proportional to 104,743.68, 157,115.52 and 73,717.44 is: 110,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,743.68 : 157,115.52 = 73,717.44 : x
  2. Step 2: Convert to fraction form
    104,743.68/157,115.52 = 73,717.44/x
  3. Step 3: Cross multiply
    104,743.68x = 157,115.52 × 73,717.44
  4. Step 4: Simplify right side
    104,743.68x = 11,582,153,918.67
  5. Step 5: Solve for x
    x = 11,582,153,918.67/104,743.68
  6. Step 6: Final answer
    x = 110,576.16

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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.