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Finding the Fourth Proportional to 79,837.56, 110,181.51 and 45,855.90

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Solution

The fourth proportional to 79,837.56, 110,181.51 and 45,855.90 is: 63,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,837.56 : 110,181.51 = 45,855.90 : x
  2. Step 2: Convert to fraction form
    79,837.56/110,181.51 = 45,855.90/x
  3. Step 3: Cross multiply
    79,837.56x = 110,181.51 × 45,855.90
  4. Step 4: Simplify right side
    79,837.56x = 5,052,472,304.41
  5. Step 5: Solve for x
    x = 5,052,472,304.41/79,837.56
  6. Step 6: Final answer
    x = 63,284.40

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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.