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Finding the Fourth Proportional to 125,529.57, 188,295.87 and 36,784.87

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Solution

The fourth proportional to 125,529.57, 188,295.87 and 36,784.87 is: 55,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,529.57 : 188,295.87 = 36,784.87 : x
  2. Step 2: Convert to fraction form
    125,529.57/188,295.87 = 36,784.87/x
  3. Step 3: Cross multiply
    125,529.57x = 188,295.87 × 36,784.87
  4. Step 4: Simplify right side
    125,529.57x = 6,926,439,099.49
  5. Step 5: Solve for x
    x = 6,926,439,099.49/125,529.57
  6. Step 6: Final answer
    x = 55,177.75

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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.