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Finding the Fourth Proportional to 170,404.08, 255,620.52 and 45,751.92

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Solution

The fourth proportional to 170,404.08, 255,620.52 and 45,751.92 is: 68,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,404.08 : 255,620.52 = 45,751.92 : x
  2. Step 2: Convert to fraction form
    170,404.08/255,620.52 = 45,751.92/x
  3. Step 3: Cross multiply
    170,404.08x = 255,620.52 × 45,751.92
  4. Step 4: Simplify right side
    170,404.08x = 11,695,129,581.40
  5. Step 5: Solve for x
    x = 11,695,129,581.40/170,404.08
  6. Step 6: Final answer
    x = 68,631.75

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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.