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Finding the Fourth Proportional to 245,190.80, 367,786.20 and 97,446.80

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Solution

The fourth proportional to 245,190.80, 367,786.20 and 97,446.80 is: 146,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,190.80 : 367,786.20 = 97,446.80 : x
  2. Step 2: Convert to fraction form
    245,190.80/367,786.20 = 97,446.80/x
  3. Step 3: Cross multiply
    245,190.80x = 367,786.20 × 97,446.80
  4. Step 4: Simplify right side
    245,190.80x = 35,839,588,274.16
  5. Step 5: Solve for x
    x = 35,839,588,274.16/245,190.80
  6. Step 6: Final answer
    x = 146,170.20

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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.