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Finding the Fourth Proportional to 119,941.92, 179,683.92 and 67,191.84

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Solution

The fourth proportional to 119,941.92, 179,683.92 and 67,191.84 is: 100,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,941.92 : 179,683.92 = 67,191.84 : x
  2. Step 2: Convert to fraction form
    119,941.92/179,683.92 = 67,191.84/x
  3. Step 3: Cross multiply
    119,941.92x = 179,683.92 × 67,191.84
  4. Step 4: Simplify right side
    119,941.92x = 12,073,293,203.21
  5. Step 5: Solve for x
    x = 12,073,293,203.21/119,941.92
  6. Step 6: Final answer
    x = 100,659.50

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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.