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Finding the Fourth Proportional to 152,489.39, 228,634.38 and 73,528.97

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Solution

The fourth proportional to 152,489.39, 228,634.38 and 73,528.97 is: 110,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,489.39 : 228,634.38 = 73,528.97 : x
  2. Step 2: Convert to fraction form
    152,489.39/228,634.38 = 73,528.97/x
  3. Step 3: Cross multiply
    152,489.39x = 228,634.38 × 73,528.97
  4. Step 4: Simplify right side
    152,489.39x = 16,811,249,324.82
  5. Step 5: Solve for x
    x = 16,811,249,324.82/152,489.39
  6. Step 6: Final answer
    x = 110,245.37

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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.