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Finding the Fourth Proportional to 155,231.88, 214,203.87 and 94,817.22

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Solution

The fourth proportional to 155,231.88, 214,203.87 and 94,817.22 is: 130,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,231.88 : 214,203.87 = 94,817.22 : x
  2. Step 2: Convert to fraction form
    155,231.88/214,203.87 = 94,817.22/x
  3. Step 3: Cross multiply
    155,231.88x = 214,203.87 × 94,817.22
  4. Step 4: Simplify right side
    155,231.88x = 20,310,215,466.64
  5. Step 5: Solve for x
    x = 20,310,215,466.64/155,231.88
  6. Step 6: Final answer
    x = 130,837.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.