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Finding the Fourth Proportional to 245,190.30, 367,785.45 and 97,446.30

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Solution

The fourth proportional to 245,190.30, 367,785.45 and 97,446.30 is: 146,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,190.30 : 367,785.45 = 97,446.30 : x
  2. Step 2: Convert to fraction form
    245,190.30/367,785.45 = 97,446.30/x
  3. Step 3: Cross multiply
    245,190.30x = 367,785.45 × 97,446.30
  4. Step 4: Simplify right side
    245,190.30x = 35,839,331,296.34
  5. Step 5: Solve for x
    x = 35,839,331,296.34/245,190.30
  6. Step 6: Final answer
    x = 146,169.45

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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.