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Finding the Fourth Proportional to 186,711.60, 280,067.40 and 62,052.60

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Solution

The fourth proportional to 186,711.60, 280,067.40 and 62,052.60 is: 93,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,711.60 : 280,067.40 = 62,052.60 : x
  2. Step 2: Convert to fraction form
    186,711.60/280,067.40 = 62,052.60/x
  3. Step 3: Cross multiply
    186,711.60x = 280,067.40 × 62,052.60
  4. Step 4: Simplify right side
    186,711.60x = 17,378,910,345.24
  5. Step 5: Solve for x
    x = 17,378,910,345.24/186,711.60
  6. Step 6: Final answer
    x = 93,078.90

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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.