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Finding the Fourth Proportional to 388,175.52, 582,263.52 and 107,693.04

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Solution

The fourth proportional to 388,175.52, 582,263.52 and 107,693.04 is: 161,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,175.52 : 582,263.52 = 107,693.04 : x
  2. Step 2: Convert to fraction form
    388,175.52/582,263.52 = 107,693.04/x
  3. Step 3: Cross multiply
    388,175.52x = 582,263.52 × 107,693.04
  4. Step 4: Simplify right side
    388,175.52x = 62,705,728,549.90
  5. Step 5: Solve for x
    x = 62,705,728,549.90/388,175.52
  6. Step 6: Final answer
    x = 161,539.63

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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.