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Finding the Fourth Proportional to 125,667.94, 188,528.32 and 36,913.98

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Solution

The fourth proportional to 125,667.94, 188,528.32 and 36,913.98 is: 55,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,667.94 : 188,528.32 = 36,913.98 : x
  2. Step 2: Convert to fraction form
    125,667.94/188,528.32 = 36,913.98/x
  3. Step 3: Cross multiply
    125,667.94x = 188,528.32 × 36,913.98
  4. Step 4: Simplify right side
    125,667.94x = 6,959,330,633.91
  5. Step 5: Solve for x
    x = 6,959,330,633.91/125,667.94
  6. Step 6: Final answer
    x = 55,378.73

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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.