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Finding the Fourth Proportional to 192,005.31, 264,957.64 and 107,105.97

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Solution

The fourth proportional to 192,005.31, 264,957.64 and 107,105.97 is: 147,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,005.31 : 264,957.64 = 107,105.97 : x
  2. Step 2: Convert to fraction form
    192,005.31/264,957.64 = 107,105.97/x
  3. Step 3: Cross multiply
    192,005.31x = 264,957.64 × 107,105.97
  4. Step 4: Simplify right side
    192,005.31x = 28,378,545,041.11
  5. Step 5: Solve for x
    x = 28,378,545,041.11/192,005.31
  6. Step 6: Final answer
    x = 147,800.83

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1.5x scale

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.