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Finding the Fourth Proportional to 206,061.15, 308,690.68 and 151,927.23

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Solution

The fourth proportional to 206,061.15, 308,690.68 and 151,927.23 is: 227,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,061.15 : 308,690.68 = 151,927.23 : x
  2. Step 2: Convert to fraction form
    206,061.15/308,690.68 = 151,927.23/x
  3. Step 3: Cross multiply
    206,061.15x = 308,690.68 × 151,927.23
  4. Step 4: Simplify right side
    206,061.15x = 46,898,519,939.22
  5. Step 5: Solve for x
    x = 46,898,519,939.22/206,061.15
  6. Step 6: Final answer
    x = 227,595.16

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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.