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Finding the Fourth Proportional to 219,773.52, 303,285.60 and 124,279.92

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Solution

The fourth proportional to 219,773.52, 303,285.60 and 124,279.92 is: 171,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,773.52 : 303,285.60 = 124,279.92 : x
  2. Step 2: Convert to fraction form
    219,773.52/303,285.60 = 124,279.92/x
  3. Step 3: Cross multiply
    219,773.52x = 303,285.60 × 124,279.92
  4. Step 4: Simplify right side
    219,773.52x = 37,692,310,105.15
  5. Step 5: Solve for x
    x = 37,692,310,105.15/219,773.52
  6. Step 6: Final answer
    x = 171,505.24

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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.