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Finding the Fourth Proportional to 237,958.40, 356,937.60 and 80,170.40

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Solution

The fourth proportional to 237,958.40, 356,937.60 and 80,170.40 is: 120,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,958.40 : 356,937.60 = 80,170.40 : x
  2. Step 2: Convert to fraction form
    237,958.40/356,937.60 = 80,170.40/x
  3. Step 3: Cross multiply
    237,958.40x = 356,937.60 × 80,170.40
  4. Step 4: Simplify right side
    237,958.40x = 28,615,830,167.04
  5. Step 5: Solve for x
    x = 28,615,830,167.04/237,958.40
  6. Step 6: Final answer
    x = 120,255.60

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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.