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Finding the Fourth Proportional to 171,144.16, 256,661.62 and 58,797.28

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Solution

The fourth proportional to 171,144.16, 256,661.62 and 58,797.28 is: 88,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,144.16 : 256,661.62 = 58,797.28 : x
  2. Step 2: Convert to fraction form
    171,144.16/256,661.62 = 58,797.28/x
  3. Step 3: Cross multiply
    171,144.16x = 256,661.62 × 58,797.28
  4. Step 4: Simplify right side
    171,144.16x = 15,091,005,136.39
  5. Step 5: Solve for x
    x = 15,091,005,136.39/171,144.16
  6. Step 6: Final answer
    x = 88,177.16

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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.