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Finding the Fourth Proportional to 125,588.72, 188,384.12 and 36,843.68

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Solution

The fourth proportional to 125,588.72, 188,384.12 and 36,843.68 is: 55,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,588.72 : 188,384.12 = 36,843.68 : x
  2. Step 2: Convert to fraction form
    125,588.72/188,384.12 = 36,843.68/x
  3. Step 3: Cross multiply
    125,588.72x = 188,384.12 × 36,843.68
  4. Step 4: Simplify right side
    125,588.72x = 6,940,764,234.36
  5. Step 5: Solve for x
    x = 6,940,764,234.36/125,588.72
  6. Step 6: Final answer
    x = 55,265.83

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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.