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Finding the Fourth Proportional to 167,167.44, 230,686.90 and 93,578.84

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Solution

The fourth proportional to 167,167.44, 230,686.90 and 93,578.84 is: 129,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,167.44 : 230,686.90 = 93,578.84 : x
  2. Step 2: Convert to fraction form
    167,167.44/230,686.90 = 93,578.84/x
  3. Step 3: Cross multiply
    167,167.44x = 230,686.90 × 93,578.84
  4. Step 4: Simplify right side
    167,167.44x = 21,587,412,505.20
  5. Step 5: Solve for x
    x = 21,587,412,505.20/167,167.44
  6. Step 6: Final answer
    x = 129,136.47

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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.