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Finding the Fourth Proportional to 53,198.66, 73,410.66 and 29,325.44

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Solution

The fourth proportional to 53,198.66, 73,410.66 and 29,325.44 is: 40,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.66 : 73,410.66 = 29,325.44 : x
  2. Step 2: Convert to fraction form
    53,198.66/73,410.66 = 29,325.44/x
  3. Step 3: Cross multiply
    53,198.66x = 73,410.66 × 29,325.44
  4. Step 4: Simplify right side
    53,198.66x = 2,152,799,538.14
  5. Step 5: Solve for x
    x = 2,152,799,538.14/53,198.66
  6. Step 6: Final answer
    x = 40,467.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.