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Finding the Fourth Proportional to 119,626.40, 179,439.60 and 88,133.60

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Solution

The fourth proportional to 119,626.40, 179,439.60 and 88,133.60 is: 132,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,626.40 : 179,439.60 = 88,133.60 : x
  2. Step 2: Convert to fraction form
    119,626.40/179,439.60 = 88,133.60/x
  3. Step 3: Cross multiply
    119,626.40x = 179,439.60 × 88,133.60
  4. Step 4: Simplify right side
    119,626.40x = 15,814,657,930.56
  5. Step 5: Solve for x
    x = 15,814,657,930.56/119,626.40
  6. Step 6: Final answer
    x = 132,200.40

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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.