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Finding the Fourth Proportional to 69,081.16, 103,621.74 and 24,705.22

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Solution

The fourth proportional to 69,081.16, 103,621.74 and 24,705.22 is: 37,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081.16 : 103,621.74 = 24,705.22 : x
  2. Step 2: Convert to fraction form
    69,081.16/103,621.74 = 24,705.22/x
  3. Step 3: Cross multiply
    69,081.16x = 103,621.74 × 24,705.22
  4. Step 4: Simplify right side
    69,081.16x = 2,559,997,883.48
  5. Step 5: Solve for x
    x = 2,559,997,883.48/69,081.16
  6. Step 6: Final answer
    x = 37,057.83

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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.