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Finding the Fourth Proportional to 125,937.38, 188,942.83 and 47,033.46

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Solution

The fourth proportional to 125,937.38, 188,942.83 and 47,033.46 is: 70,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,937.38 : 188,942.83 = 47,033.46 : x
  2. Step 2: Convert to fraction form
    125,937.38/188,942.83 = 47,033.46/x
  3. Step 3: Cross multiply
    125,937.38x = 188,942.83 × 47,033.46
  4. Step 4: Simplify right side
    125,937.38x = 8,886,634,919.51
  5. Step 5: Solve for x
    x = 8,886,634,919.51/125,937.38
  6. Step 6: Final answer
    x = 70,563.92

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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.