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Finding the Fourth Proportional to 192,801.72, 266,083.02 and 107,917.56

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Solution

The fourth proportional to 192,801.72, 266,083.02 and 107,917.56 is: 148,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,801.72 : 266,083.02 = 107,917.56 : x
  2. Step 2: Convert to fraction form
    192,801.72/266,083.02 = 107,917.56/x
  3. Step 3: Cross multiply
    192,801.72x = 266,083.02 × 107,917.56
  4. Step 4: Simplify right side
    192,801.72x = 28,715,030,275.83
  5. Step 5: Solve for x
    x = 28,715,030,275.83/192,801.72
  6. Step 6: Final answer
    x = 148,935.55

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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.