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Finding the Fourth Proportional to 170,143.74, 255,037.86 and 63,481.32

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Solution

The fourth proportional to 170,143.74, 255,037.86 and 63,481.32 is: 95,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.74 : 255,037.86 = 63,481.32 : x
  2. Step 2: Convert to fraction form
    170,143.74/255,037.86 = 63,481.32/x
  3. Step 3: Cross multiply
    170,143.74x = 255,037.86 × 63,481.32
  4. Step 4: Simplify right side
    170,143.74x = 16,190,140,002.78
  5. Step 5: Solve for x
    x = 16,190,140,002.78/170,143.74
  6. Step 6: Final answer
    x = 95,155.66

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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.