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Finding the Fourth Proportional to 171,084.40, 256,626.60 and 164,523.40

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Solution

The fourth proportional to 171,084.40, 256,626.60 and 164,523.40 is: 246,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,084.40 : 256,626.60 = 164,523.40 : x
  2. Step 2: Convert to fraction form
    171,084.40/256,626.60 = 164,523.40/x
  3. Step 3: Cross multiply
    171,084.40x = 256,626.60 × 164,523.40
  4. Step 4: Simplify right side
    171,084.40x = 42,221,080,762.44
  5. Step 5: Solve for x
    x = 42,221,080,762.44/171,084.40
  6. Step 6: Final answer
    x = 246,785.10

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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.