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Finding the Fourth Proportional to 192,655.78, 265,854.27 and 107,756.44

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Solution

The fourth proportional to 192,655.78, 265,854.27 and 107,756.44 is: 148,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,655.78 : 265,854.27 = 107,756.44 : x
  2. Step 2: Convert to fraction form
    192,655.78/265,854.27 = 107,756.44/x
  3. Step 3: Cross multiply
    192,655.78x = 265,854.27 × 107,756.44
  4. Step 4: Simplify right side
    192,655.78x = 28,647,508,364.73
  5. Step 5: Solve for x
    x = 28,647,508,364.73/192,655.78
  6. Step 6: Final answer
    x = 148,697.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.