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Finding the Fourth Proportional to 125,231.63, 187,872.03 and 46,346.54

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Solution

The fourth proportional to 125,231.63, 187,872.03 and 46,346.54 is: 69,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231.63 : 187,872.03 = 46,346.54 : x
  2. Step 2: Convert to fraction form
    125,231.63/187,872.03 = 46,346.54/x
  3. Step 3: Cross multiply
    125,231.63x = 187,872.03 × 46,346.54
  4. Step 4: Simplify right side
    125,231.63x = 8,707,217,613.92
  5. Step 5: Solve for x
    x = 8,707,217,613.92/125,231.63
  6. Step 6: Final answer
    x = 69,528.90

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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.