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Finding the Fourth Proportional to 220,226.56, 303,916.64 and 124,753.08

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Solution

The fourth proportional to 220,226.56, 303,916.64 and 124,753.08 is: 172,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,226.56 : 303,916.64 = 124,753.08 : x
  2. Step 2: Convert to fraction form
    220,226.56/303,916.64 = 124,753.08/x
  3. Step 3: Cross multiply
    220,226.56x = 303,916.64 × 124,753.08
  4. Step 4: Simplify right side
    220,226.56x = 37,914,536,903.25
  5. Step 5: Solve for x
    x = 37,914,536,903.25/220,226.56
  6. Step 6: Final answer
    x = 172,161.51

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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.