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Finding the Fourth Proportional to 199,247, 274,959.08 and 108,602.96

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Solution

The fourth proportional to 199,247, 274,959.08 and 108,602.96 is: 149,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,247 : 274,959.08 = 108,602.96 : x
  2. Step 2: Convert to fraction form
    199,247/274,959.08 = 108,602.96/x
  3. Step 3: Cross multiply
    199,247x = 274,959.08 × 108,602.96
  4. Step 4: Simplify right side
    199,247x = 29,861,369,966.88
  5. Step 5: Solve for x
    x = 29,861,369,966.88/199,247
  6. Step 6: Final answer
    x = 149,871.11

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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.