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Finding the Fourth Proportional to 167,674.56, 231,289.68 and 103,154.80

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Solution

The fourth proportional to 167,674.56, 231,289.68 and 103,154.80 is: 142,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,674.56 : 231,289.68 = 103,154.80 : x
  2. Step 2: Convert to fraction form
    167,674.56/231,289.68 = 103,154.80/x
  3. Step 3: Cross multiply
    167,674.56x = 231,289.68 × 103,154.80
  4. Step 4: Simplify right side
    167,674.56x = 23,858,640,682.46
  5. Step 5: Solve for x
    x = 23,858,640,682.46/167,674.56
  6. Step 6: Final answer
    x = 142,291.36

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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.