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Finding the Fourth Proportional to 194,818.80, 291,997.80 and 101,276.40

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Solution

The fourth proportional to 194,818.80, 291,997.80 and 101,276.40 is: 151,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,818.80 : 291,997.80 = 101,276.40 : x
  2. Step 2: Convert to fraction form
    194,818.80/291,997.80 = 101,276.40/x
  3. Step 3: Cross multiply
    194,818.80x = 291,997.80 × 101,276.40
  4. Step 4: Simplify right side
    194,818.80x = 29,572,485,991.92
  5. Step 5: Solve for x
    x = 29,572,485,991.92/194,818.80
  6. Step 6: Final answer
    x = 151,794.83

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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.