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Finding the Fourth Proportional to 125,563.52, 188,319.54 and 36,793.10

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Solution

The fourth proportional to 125,563.52, 188,319.54 and 36,793.10 is: 55,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,563.52 : 188,319.54 = 36,793.10 : x
  2. Step 2: Convert to fraction form
    125,563.52/188,319.54 = 36,793.10/x
  3. Step 3: Cross multiply
    125,563.52x = 188,319.54 × 36,793.10
  4. Step 4: Simplify right side
    125,563.52x = 6,928,859,667.17
  5. Step 5: Solve for x
    x = 6,928,859,667.17/125,563.52
  6. Step 6: Final answer
    x = 55,182.11

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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.