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Finding the Fourth Proportional to 245,677.71, 367,981.69 and 150,620.43

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Solution

The fourth proportional to 245,677.71, 367,981.69 and 150,620.43 is: 225,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,677.71 : 367,981.69 = 150,620.43 : x
  2. Step 2: Convert to fraction form
    245,677.71/367,981.69 = 150,620.43/x
  3. Step 3: Cross multiply
    245,677.71x = 367,981.69 × 150,620.43
  4. Step 4: Simplify right side
    245,677.71x = 55,425,560,379.93
  5. Step 5: Solve for x
    x = 55,425,560,379.93/245,677.71
  6. Step 6: Final answer
    x = 225,602.72

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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.