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Finding the Fourth Proportional to 121,019.52, 167,004.96 and 67,297.92

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Solution

The fourth proportional to 121,019.52, 167,004.96 and 67,297.92 is: 92,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,019.52 : 167,004.96 = 67,297.92 : x
  2. Step 2: Convert to fraction form
    121,019.52/167,004.96 = 67,297.92/x
  3. Step 3: Cross multiply
    121,019.52x = 167,004.96 × 67,297.92
  4. Step 4: Simplify right side
    121,019.52x = 11,239,086,437.68
  5. Step 5: Solve for x
    x = 11,239,086,437.68/121,019.52
  6. Step 6: Final answer
    x = 92,870.03

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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.