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Finding the Fourth Proportional to 219,734.52, 303,239.61 and 124,255.50

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Solution

The fourth proportional to 219,734.52, 303,239.61 and 124,255.50 is: 171,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,734.52 : 303,239.61 = 124,255.50 : x
  2. Step 2: Convert to fraction form
    219,734.52/303,239.61 = 124,255.50/x
  3. Step 3: Cross multiply
    219,734.52x = 303,239.61 × 124,255.50
  4. Step 4: Simplify right side
    219,734.52x = 37,679,189,360.36
  5. Step 5: Solve for x
    x = 37,679,189,360.36/219,734.52
  6. Step 6: Final answer
    x = 171,475.97

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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.