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Finding the Fourth Proportional to 219,887.54, 303,423.72 and 124,375.58

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Solution

The fourth proportional to 219,887.54, 303,423.72 and 124,375.58 is: 171,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,887.54 : 303,423.72 = 124,375.58 : x
  2. Step 2: Convert to fraction form
    219,887.54/303,423.72 = 124,375.58/x
  3. Step 3: Cross multiply
    219,887.54x = 303,423.72 × 124,375.58
  4. Step 4: Simplify right side
    219,887.54x = 37,738,501,160.76
  5. Step 5: Solve for x
    x = 37,738,501,160.76/219,887.54
  6. Step 6: Final answer
    x = 171,626.37

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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.