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Finding the Fourth Proportional to 170,091.76, 255,098.68 and 50,117.68

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Solution

The fourth proportional to 170,091.76, 255,098.68 and 50,117.68 is: 75,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,091.76 : 255,098.68 = 50,117.68 : x
  2. Step 2: Convert to fraction form
    170,091.76/255,098.68 = 50,117.68/x
  3. Step 3: Cross multiply
    170,091.76x = 255,098.68 × 50,117.68
  4. Step 4: Simplify right side
    170,091.76x = 12,784,954,012.66
  5. Step 5: Solve for x
    x = 12,784,954,012.66/170,091.76
  6. Step 6: Final answer
    x = 75,165.04

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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.