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Finding the Fourth Proportional to 152,067.20, 213,244 and 152,067.20

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Solution

The fourth proportional to 152,067.20, 213,244 and 152,067.20 is: 213,244

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,067.20 : 213,244 = 152,067.20 : x
  2. Step 2: Convert to fraction form
    152,067.20/213,244 = 152,067.20/x
  3. Step 3: Cross multiply
    152,067.20x = 213,244 × 152,067.20
  4. Step 4: Simplify right side
    152,067.20x = 32,427,417,996.80
  5. Step 5: Solve for x
    x = 32,427,417,996.80/152,067.20
  6. Step 6: Final answer
    x = 213,244

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.