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Finding the Fourth Proportional to 136,118.40, 204,177.60 and 98,793.60

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Solution

The fourth proportional to 136,118.40, 204,177.60 and 98,793.60 is: 148,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118.40 : 204,177.60 = 98,793.60 : x
  2. Step 2: Convert to fraction form
    136,118.40/204,177.60 = 98,793.60/x
  3. Step 3: Cross multiply
    136,118.40x = 204,177.60 × 98,793.60
  4. Step 4: Simplify right side
    136,118.40x = 20,171,440,143.36
  5. Step 5: Solve for x
    x = 20,171,440,143.36/136,118.40
  6. Step 6: Final answer
    x = 148,190.40

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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.