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Finding the Fourth Proportional to 220,018.33, 303,616.11 and 124,530.31

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Solution

The fourth proportional to 220,018.33, 303,616.11 and 124,530.31 is: 171,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,018.33 : 303,616.11 = 124,530.31 : x
  2. Step 2: Convert to fraction form
    220,018.33/303,616.11 = 124,530.31/x
  3. Step 3: Cross multiply
    220,018.33x = 303,616.11 × 124,530.31
  4. Step 4: Simplify right side
    220,018.33x = 37,809,408,299.29
  5. Step 5: Solve for x
    x = 37,809,408,299.29/220,018.33
  6. Step 6: Final answer
    x = 171,846.63

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1.5x scale

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.