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Finding the Fourth Proportional to 206,975.52, 310,203.58 and 88,507.56

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Solution

The fourth proportional to 206,975.52, 310,203.58 and 88,507.56 is: 132,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,975.52 : 310,203.58 = 88,507.56 : x
  2. Step 2: Convert to fraction form
    206,975.52/310,203.58 = 88,507.56/x
  3. Step 3: Cross multiply
    206,975.52x = 310,203.58 × 88,507.56
  4. Step 4: Simplify right side
    206,975.52x = 27,455,361,969.06
  5. Step 5: Solve for x
    x = 27,455,361,969.06/206,975.52
  6. Step 6: Final answer
    x = 132,650.29

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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.