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Finding the Fourth Proportional to 121,249.52, 167,329.54 and 67,534.56

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Solution

The fourth proportional to 121,249.52, 167,329.54 and 67,534.56 is: 93,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,249.52 : 167,329.54 = 67,534.56 : x
  2. Step 2: Convert to fraction form
    121,249.52/167,329.54 = 67,534.56/x
  3. Step 3: Cross multiply
    121,249.52x = 167,329.54 × 67,534.56
  4. Step 4: Simplify right side
    121,249.52x = 11,300,526,858.90
  5. Step 5: Solve for x
    x = 11,300,526,858.90/121,249.52
  6. Step 6: Final answer
    x = 93,200.59

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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.