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Finding the Fourth Proportional to 206,060.15, 308,689.18 and 151,926.23

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Solution

The fourth proportional to 206,060.15, 308,689.18 and 151,926.23 is: 227,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,060.15 : 308,689.18 = 151,926.23 : x
  2. Step 2: Convert to fraction form
    206,060.15/308,689.18 = 151,926.23/x
  3. Step 3: Cross multiply
    206,060.15x = 308,689.18 × 151,926.23
  4. Step 4: Simplify right side
    206,060.15x = 46,897,983,751.10
  5. Step 5: Solve for x
    x = 46,897,983,751.10/206,060.15
  6. Step 6: Final answer
    x = 227,593.66

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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.