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Finding the Fourth Proportional to 171,180.47, 256,880.85 and 92,349.11

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Solution

The fourth proportional to 171,180.47, 256,880.85 and 92,349.11 is: 138,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,180.47 : 256,880.85 = 92,349.11 : x
  2. Step 2: Convert to fraction form
    171,180.47/256,880.85 = 92,349.11/x
  3. Step 3: Cross multiply
    171,180.47x = 256,880.85 × 92,349.11
  4. Step 4: Simplify right side
    171,180.47x = 23,722,716,589.14
  5. Step 5: Solve for x
    x = 23,722,716,589.14/171,180.47
  6. Step 6: Final answer
    x = 138,583.08

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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.