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Finding the Fourth Proportional to 186,502.42, 279,997.51 and 110,739.30

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Solution

The fourth proportional to 186,502.42, 279,997.51 and 110,739.30 is: 166,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,502.42 : 279,997.51 = 110,739.30 : x
  2. Step 2: Convert to fraction form
    186,502.42/279,997.51 = 110,739.30/x
  3. Step 3: Cross multiply
    186,502.42x = 279,997.51 × 110,739.30
  4. Step 4: Simplify right side
    186,502.42x = 31,006,728,259.14
  5. Step 5: Solve for x
    x = 31,006,728,259.14/186,502.42
  6. Step 6: Final answer
    x = 166,253.76

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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.