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Finding the Fourth Proportional to 230,961.70, 346,410.15 and 73,206.10

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Solution

The fourth proportional to 230,961.70, 346,410.15 and 73,206.10 is: 109,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,961.70 : 346,410.15 = 73,206.10 : x
  2. Step 2: Convert to fraction form
    230,961.70/346,410.15 = 73,206.10/x
  3. Step 3: Cross multiply
    230,961.70x = 346,410.15 × 73,206.10
  4. Step 4: Simplify right side
    230,961.70x = 25,359,336,081.92
  5. Step 5: Solve for x
    x = 25,359,336,081.92/230,961.70
  6. Step 6: Final answer
    x = 109,798.88

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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.