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Finding the Fourth Proportional to 250,440.66, 375,566.22 and 90,474.37

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Solution

The fourth proportional to 250,440.66, 375,566.22 and 90,474.37 is: 135,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,440.66 : 375,566.22 = 90,474.37 : x
  2. Step 2: Convert to fraction form
    250,440.66/375,566.22 = 90,474.37/x
  3. Step 3: Cross multiply
    250,440.66x = 375,566.22 × 90,474.37
  4. Step 4: Simplify right side
    250,440.66x = 33,979,116,208.87
  5. Step 5: Solve for x
    x = 33,979,116,208.87/250,440.66
  6. Step 6: Final answer
    x = 135,677.31

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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.