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Finding the Fourth Proportional to 388,546.88, 582,853.32 and 108,064.13

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Solution

The fourth proportional to 388,546.88, 582,853.32 and 108,064.13 is: 162,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,546.88 : 582,853.32 = 108,064.13 : x
  2. Step 2: Convert to fraction form
    388,546.88/582,853.32 = 108,064.13/x
  3. Step 3: Cross multiply
    388,546.88x = 582,853.32 × 108,064.13
  4. Step 4: Simplify right side
    388,546.88x = 62,985,534,029.15
  5. Step 5: Solve for x
    x = 62,985,534,029.15/388,546.88
  6. Step 6: Final answer
    x = 162,105.37

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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.