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Finding the Fourth Proportional to 206,933.99, 310,335.35 and 88,573.55

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Solution

The fourth proportional to 206,933.99, 310,335.35 and 88,573.55 is: 132,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,933.99 : 310,335.35 = 88,573.55 : x
  2. Step 2: Convert to fraction form
    206,933.99/310,335.35 = 88,573.55/x
  3. Step 3: Cross multiply
    206,933.99x = 310,335.35 × 88,573.55
  4. Step 4: Simplify right side
    206,933.99x = 27,487,501,645.45
  5. Step 5: Solve for x
    x = 27,487,501,645.45/206,933.99
  6. Step 6: Final answer
    x = 132,832.22

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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.