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Finding the Fourth Proportional to 230,866.90, 346,311.15 and 73,107.70

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Solution

The fourth proportional to 230,866.90, 346,311.15 and 73,107.70 is: 109,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,866.90 : 346,311.15 = 73,107.70 : x
  2. Step 2: Convert to fraction form
    230,866.90/346,311.15 = 73,107.70/x
  3. Step 3: Cross multiply
    230,866.90x = 346,311.15 × 73,107.70
  4. Step 4: Simplify right side
    230,866.90x = 25,318,011,660.86
  5. Step 5: Solve for x
    x = 25,318,011,660.86/230,866.90
  6. Step 6: Final answer
    x = 109,664.97

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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.