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Finding the Fourth Proportional to 199,871.70, 299,769.15 and 59,634.90

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Solution

The fourth proportional to 199,871.70, 299,769.15 and 59,634.90 is: 89,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,871.70 : 299,769.15 = 59,634.90 : x
  2. Step 2: Convert to fraction form
    199,871.70/299,769.15 = 59,634.90/x
  3. Step 3: Cross multiply
    199,871.70x = 299,769.15 × 59,634.90
  4. Step 4: Simplify right side
    199,871.70x = 17,876,703,283.34
  5. Step 5: Solve for x
    x = 17,876,703,283.34/199,871.70
  6. Step 6: Final answer
    x = 89,440.89

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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.