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Finding the Fourth Proportional to 169,358.84, 233,682.11 and 100,435.53

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Solution

The fourth proportional to 169,358.84, 233,682.11 and 100,435.53 is: 138,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,358.84 : 233,682.11 = 100,435.53 : x
  2. Step 2: Convert to fraction form
    169,358.84/233,682.11 = 100,435.53/x
  3. Step 3: Cross multiply
    169,358.84x = 233,682.11 × 100,435.53
  4. Step 4: Simplify right side
    169,358.84x = 23,469,986,067.19
  5. Step 5: Solve for x
    x = 23,469,986,067.19/169,358.84
  6. Step 6: Final answer
    x = 138,581.41

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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.