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Finding the Fourth Proportional to 125,628.88, 188,394.08 and 50,735.04

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Solution

The fourth proportional to 125,628.88, 188,394.08 and 50,735.04 is: 76,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,628.88 : 188,394.08 = 50,735.04 : x
  2. Step 2: Convert to fraction form
    125,628.88/188,394.08 = 50,735.04/x
  3. Step 3: Cross multiply
    125,628.88x = 188,394.08 × 50,735.04
  4. Step 4: Simplify right side
    125,628.88x = 9,558,181,184.56
  5. Step 5: Solve for x
    x = 9,558,181,184.56/125,628.88
  6. Step 6: Final answer
    x = 76,082.67

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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.