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Finding the Fourth Proportional to 199,694.96, 299,394.48 and 94,390.88

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Solution

The fourth proportional to 199,694.96, 299,394.48 and 94,390.88 is: 141,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,694.96 : 299,394.48 = 94,390.88 : x
  2. Step 2: Convert to fraction form
    199,694.96/299,394.48 = 94,390.88/x
  3. Step 3: Cross multiply
    199,694.96x = 299,394.48 × 94,390.88
  4. Step 4: Simplify right side
    199,694.96x = 28,260,108,434.34
  5. Step 5: Solve for x
    x = 28,260,108,434.34/199,694.96
  6. Step 6: Final answer
    x = 141,516.38

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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.