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Finding the Fourth Proportional to 186,011.48, 278,853.06 and 67,662.11

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Solution

The fourth proportional to 186,011.48, 278,853.06 and 67,662.11 is: 101,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,011.48 : 278,853.06 = 67,662.11 : x
  2. Step 2: Convert to fraction form
    186,011.48/278,853.06 = 67,662.11/x
  3. Step 3: Cross multiply
    186,011.48x = 278,853.06 × 67,662.11
  4. Step 4: Simplify right side
    186,011.48x = 18,867,786,419.56
  5. Step 5: Solve for x
    x = 18,867,786,419.56/186,011.48
  6. Step 6: Final answer
    x = 101,433.45

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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.