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Finding the Fourth Proportional to 206,901.16, 310,487.84 and 113,472.52

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Solution

The fourth proportional to 206,901.16, 310,487.84 and 113,472.52 is: 170,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,901.16 : 310,487.84 = 113,472.52 : x
  2. Step 2: Convert to fraction form
    206,901.16/310,487.84 = 113,472.52/x
  3. Step 3: Cross multiply
    206,901.16x = 310,487.84 × 113,472.52
  4. Step 4: Simplify right side
    206,901.16x = 35,231,837,634.16
  5. Step 5: Solve for x
    x = 35,231,837,634.16/206,901.16
  6. Step 6: Final answer
    x = 170,283.42

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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.