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Finding the Fourth Proportional to 199,772.89, 299,806.76 and 94,591.69

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Solution

The fourth proportional to 199,772.89, 299,806.76 and 94,591.69 is: 141,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,772.89 : 299,806.76 = 94,591.69 : x
  2. Step 2: Convert to fraction form
    199,772.89/299,806.76 = 94,591.69/x
  3. Step 3: Cross multiply
    199,772.89x = 299,806.76 × 94,591.69
  4. Step 4: Simplify right side
    199,772.89x = 28,359,228,101.82
  5. Step 5: Solve for x
    x = 28,359,228,101.82/199,772.89
  6. Step 6: Final answer
    x = 141,957.34

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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.