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Finding the Fourth Proportional to 617,232.12, 925,754.63 and 167,988

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Solution

The fourth proportional to 617,232.12, 925,754.63 and 167,988 is: 251,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,232.12 : 925,754.63 = 167,988 : x
  2. Step 2: Convert to fraction form
    617,232.12/925,754.63 = 167,988/x
  3. Step 3: Cross multiply
    617,232.12x = 925,754.63 × 167,988
  4. Step 4: Simplify right side
    617,232.12x = 155,515,669,204.41
  5. Step 5: Solve for x
    x = 155,515,669,204.41/617,232.12
  6. Step 6: Final answer
    x = 251,956.54

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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.