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Finding the Fourth Proportional to 186,711.70, 280,067.55 and 62,052.70

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Solution

The fourth proportional to 186,711.70, 280,067.55 and 62,052.70 is: 93,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,711.70 : 280,067.55 = 62,052.70 : x
  2. Step 2: Convert to fraction form
    186,711.70/280,067.55 = 62,052.70/x
  3. Step 3: Cross multiply
    186,711.70x = 280,067.55 × 62,052.70
  4. Step 4: Simplify right side
    186,711.70x = 17,378,947,659.89
  5. Step 5: Solve for x
    x = 17,378,947,659.89/186,711.70
  6. Step 6: Final answer
    x = 93,079.05

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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.