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Finding the Fourth Proportional to 171,801.62, 257,640.69 and 59,451.33

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Solution

The fourth proportional to 171,801.62, 257,640.69 and 59,451.33 is: 89,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,801.62 : 257,640.69 = 59,451.33 : x
  2. Step 2: Convert to fraction form
    171,801.62/257,640.69 = 59,451.33/x
  3. Step 3: Cross multiply
    171,801.62x = 257,640.69 × 59,451.33
  4. Step 4: Simplify right side
    171,801.62x = 15,317,081,682.62
  5. Step 5: Solve for x
    x = 15,317,081,682.62/171,801.62
  6. Step 6: Final answer
    x = 89,155.63

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1.5x scale

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.