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Finding the Fourth Proportional to 171,200.32, 256,910.28 and 92,369.32

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Solution

The fourth proportional to 171,200.32, 256,910.28 and 92,369.32 is: 138,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,200.32 : 256,910.28 = 92,369.32 : x
  2. Step 2: Convert to fraction form
    171,200.32/256,910.28 = 92,369.32/x
  3. Step 3: Cross multiply
    171,200.32x = 256,910.28 × 92,369.32
  4. Step 4: Simplify right side
    171,200.32x = 23,730,627,864.61
  5. Step 5: Solve for x
    x = 23,730,627,864.61/171,200.32
  6. Step 6: Final answer
    x = 138,613.22

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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.