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Finding the Fourth Proportional to 109,180.68, 150,614.13 and 63,829.09

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Solution

The fourth proportional to 109,180.68, 150,614.13 and 63,829.09 is: 88,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.68 : 150,614.13 = 63,829.09 : x
  2. Step 2: Convert to fraction form
    109,180.68/150,614.13 = 63,829.09/x
  3. Step 3: Cross multiply
    109,180.68x = 150,614.13 × 63,829.09
  4. Step 4: Simplify right side
    109,180.68x = 9,613,562,859.04
  5. Step 5: Solve for x
    x = 9,613,562,859.04/109,180.68
  6. Step 6: Final answer
    x = 88,051.87

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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.