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Finding the Fourth Proportional to 74,256.73, 111,401.49 and 36,837.16

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Solution

The fourth proportional to 74,256.73, 111,401.49 and 36,837.16 is: 55,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.73 : 111,401.49 = 36,837.16 : x
  2. Step 2: Convert to fraction form
    74,256.73/111,401.49 = 36,837.16/x
  3. Step 3: Cross multiply
    74,256.73x = 111,401.49 × 36,837.16
  4. Step 4: Simplify right side
    74,256.73x = 4,103,714,511.37
  5. Step 5: Solve for x
    x = 4,103,714,511.37/74,256.73
  6. Step 6: Final answer
    x = 55,263.87

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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.