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Finding the Fourth Proportional to 125,847.48, 188,766.90 and 37,097.40

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Solution

The fourth proportional to 125,847.48, 188,766.90 and 37,097.40 is: 55,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,847.48 : 188,766.90 = 37,097.40 : x
  2. Step 2: Convert to fraction form
    125,847.48/188,766.90 = 37,097.40/x
  3. Step 3: Cross multiply
    125,847.48x = 188,766.90 × 37,097.40
  4. Step 4: Simplify right side
    125,847.48x = 7,002,761,196.06
  5. Step 5: Solve for x
    x = 7,002,761,196.06/125,847.48
  6. Step 6: Final answer
    x = 55,644.83

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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.