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Finding the Fourth Proportional to 186,456.42, 279,928.53 and 110,693.27

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Solution

The fourth proportional to 186,456.42, 279,928.53 and 110,693.27 is: 166,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,456.42 : 279,928.53 = 110,693.27 : x
  2. Step 2: Convert to fraction form
    186,456.42/279,928.53 = 110,693.27/x
  3. Step 3: Cross multiply
    186,456.42x = 279,928.53 × 110,693.27
  4. Step 4: Simplify right side
    186,456.42x = 30,986,202,952.35
  5. Step 5: Solve for x
    x = 30,986,202,952.35/186,456.42
  6. Step 6: Final answer
    x = 166,184.69

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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.