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Finding the Fourth Proportional to 178,519.20, 246,358.96 and 97,945.20

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Solution

The fourth proportional to 178,519.20, 246,358.96 and 97,945.20 is: 135,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,519.20 : 246,358.96 = 97,945.20 : x
  2. Step 2: Convert to fraction form
    178,519.20/246,358.96 = 97,945.20/x
  3. Step 3: Cross multiply
    178,519.20x = 246,358.96 × 97,945.20
  4. Step 4: Simplify right side
    178,519.20x = 24,129,677,608.99
  5. Step 5: Solve for x
    x = 24,129,677,608.99/178,519.20
  6. Step 6: Final answer
    x = 135,165.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.