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Finding the Fourth Proportional to 186,463.30, 279,527.01 and 68,051.56

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Solution

The fourth proportional to 186,463.30, 279,527.01 and 68,051.56 is: 102,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,463.30 : 279,527.01 = 68,051.56 : x
  2. Step 2: Convert to fraction form
    186,463.30/279,527.01 = 68,051.56/x
  3. Step 3: Cross multiply
    186,463.30x = 279,527.01 × 68,051.56
  4. Step 4: Simplify right side
    186,463.30x = 19,022,249,092.64
  5. Step 5: Solve for x
    x = 19,022,249,092.64/186,463.30
  6. Step 6: Final answer
    x = 102,016.05

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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.