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Finding the Fourth Proportional to 167,139.90, 250,426.90 and 119,513.19

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Solution

The fourth proportional to 167,139.90, 250,426.90 and 119,513.19 is: 179,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.90 : 250,426.90 = 119,513.19 : x
  2. Step 2: Convert to fraction form
    167,139.90/250,426.90 = 119,513.19/x
  3. Step 3: Cross multiply
    167,139.90x = 250,426.90 × 119,513.19
  4. Step 4: Simplify right side
    167,139.90x = 29,929,316,891.10
  5. Step 5: Solve for x
    x = 29,929,316,891.10/167,139.90
  6. Step 6: Final answer
    x = 179,067.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.