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Finding the Fourth Proportional to 227,622.31, 314,118.84 and 125,647.83

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Solution

The fourth proportional to 227,622.31, 314,118.84 and 125,647.83 is: 173,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,622.31 : 314,118.84 = 125,647.83 : x
  2. Step 2: Convert to fraction form
    227,622.31/314,118.84 = 125,647.83/x
  3. Step 3: Cross multiply
    227,622.31x = 314,118.84 × 125,647.83
  4. Step 4: Simplify right side
    227,622.31x = 39,468,350,608.12
  5. Step 5: Solve for x
    x = 39,468,350,608.12/227,622.31
  6. Step 6: Final answer
    x = 173,394.03

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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.