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Finding the Fourth Proportional to 221,357.89, 332,037.14 and 94,916.49

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Solution

The fourth proportional to 221,357.89, 332,037.14 and 94,916.49 is: 142,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,357.89 : 332,037.14 = 94,916.49 : x
  2. Step 2: Convert to fraction form
    221,357.89/332,037.14 = 94,916.49/x
  3. Step 3: Cross multiply
    221,357.89x = 332,037.14 × 94,916.49
  4. Step 4: Simplify right side
    221,357.89x = 31,515,799,878.44
  5. Step 5: Solve for x
    x = 31,515,799,878.44/221,357.89
  6. Step 6: Final answer
    x = 142,374.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.