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Finding the Fourth Proportional to 149,207.52, 223,811.30 and 50,711.52

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Solution

The fourth proportional to 149,207.52, 223,811.30 and 50,711.52 is: 76,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,207.52 : 223,811.30 = 50,711.52 : x
  2. Step 2: Convert to fraction form
    149,207.52/223,811.30 = 50,711.52/x
  3. Step 3: Cross multiply
    149,207.52x = 223,811.30 × 50,711.52
  4. Step 4: Simplify right side
    149,207.52x = 11,349,811,216.18
  5. Step 5: Solve for x
    x = 11,349,811,216.18/149,207.52
  6. Step 6: Final answer
    x = 76,067.29

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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.