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Finding the Fourth Proportional to 134,960.80, 202,311.60 and 104,958.40

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Solution

The fourth proportional to 134,960.80, 202,311.60 and 104,958.40 is: 157,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,960.80 : 202,311.60 = 104,958.40 : x
  2. Step 2: Convert to fraction form
    134,960.80/202,311.60 = 104,958.40/x
  3. Step 3: Cross multiply
    134,960.80x = 202,311.60 × 104,958.40
  4. Step 4: Simplify right side
    134,960.80x = 21,234,301,837.44
  5. Step 5: Solve for x
    x = 21,234,301,837.44/134,960.80
  6. Step 6: Final answer
    x = 157,336.81

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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.