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Finding the Fourth Proportional to 170,497.71, 255,737.48 and 52,169.13

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Solution

The fourth proportional to 170,497.71, 255,737.48 and 52,169.13 is: 78,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,497.71 : 255,737.48 = 52,169.13 : x
  2. Step 2: Convert to fraction form
    170,497.71/255,737.48 = 52,169.13/x
  3. Step 3: Cross multiply
    170,497.71x = 255,737.48 × 52,169.13
  4. Step 4: Simplify right side
    170,497.71x = 13,341,601,579.15
  5. Step 5: Solve for x
    x = 13,341,601,579.15/170,497.71
  6. Step 6: Final answer
    x = 78,250.91

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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.