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Finding the Fourth Proportional to 109,673.97, 151,350.13 and 59,372.97

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Solution

The fourth proportional to 109,673.97, 151,350.13 and 59,372.97 is: 81,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,673.97 : 151,350.13 = 59,372.97 : x
  2. Step 2: Convert to fraction form
    109,673.97/151,350.13 = 59,372.97/x
  3. Step 3: Cross multiply
    109,673.97x = 151,350.13 × 59,372.97
  4. Step 4: Simplify right side
    109,673.97x = 8,986,106,727.99
  5. Step 5: Solve for x
    x = 8,986,106,727.99/109,673.97
  6. Step 6: Final answer
    x = 81,934.73

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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.