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Finding the Fourth Proportional to 617,240.02, 925,766.45 and 167,995.90

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Solution

The fourth proportional to 617,240.02, 925,766.45 and 167,995.90 is: 251,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,240.02 : 925,766.45 = 167,995.90 : x
  2. Step 2: Convert to fraction form
    617,240.02/925,766.45 = 167,995.90/x
  3. Step 3: Cross multiply
    617,240.02x = 925,766.45 × 167,995.90
  4. Step 4: Simplify right side
    617,240.02x = 155,524,967,537.57
  5. Step 5: Solve for x
    x = 155,524,967,537.57/617,240.02
  6. Step 6: Final answer
    x = 251,968.38

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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.