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Finding the Fourth Proportional to 171,118.23, 256,694.95 and 64,591.91

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Solution

The fourth proportional to 171,118.23, 256,694.95 and 64,591.91 is: 96,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,118.23 : 256,694.95 = 64,591.91 : x
  2. Step 2: Convert to fraction form
    171,118.23/256,694.95 = 64,591.91/x
  3. Step 3: Cross multiply
    171,118.23x = 256,694.95 × 64,591.91
  4. Step 4: Simplify right side
    171,118.23x = 16,580,416,143.16
  5. Step 5: Solve for x
    x = 16,580,416,143.16/171,118.23
  6. Step 6: Final answer
    x = 96,894.51

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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.