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Finding the Fourth Proportional to 103,936.52, 155,866.08 and 37,358.48

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Solution

The fourth proportional to 103,936.52, 155,866.08 and 37,358.48 is: 56,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,936.52 : 155,866.08 = 37,358.48 : x
  2. Step 2: Convert to fraction form
    103,936.52/155,866.08 = 37,358.48/x
  3. Step 3: Cross multiply
    103,936.52x = 155,866.08 × 37,358.48
  4. Step 4: Simplify right side
    103,936.52x = 5,822,919,832.36
  5. Step 5: Solve for x
    x = 5,822,919,832.36/103,936.52
  6. Step 6: Final answer
    x = 56,023.81

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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.