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Finding the Fourth Proportional to 220,054.52, 303,682.47 and 124,559.17

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Solution

The fourth proportional to 220,054.52, 303,682.47 and 124,559.17 is: 171,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,054.52 : 303,682.47 = 124,559.17 : x
  2. Step 2: Convert to fraction form
    220,054.52/303,682.47 = 124,559.17/x
  3. Step 3: Cross multiply
    220,054.52x = 303,682.47 × 124,559.17
  4. Step 4: Simplify right side
    220,054.52x = 37,826,436,406.75
  5. Step 5: Solve for x
    x = 37,826,436,406.75/220,054.52
  6. Step 6: Final answer
    x = 171,895.75

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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.