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Finding the Fourth Proportional to 248,471.90, 342,803.79 and 162,481.22

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Solution

The fourth proportional to 248,471.90, 342,803.79 and 162,481.22 is: 224,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,471.90 : 342,803.79 = 162,481.22 : x
  2. Step 2: Convert to fraction form
    248,471.90/342,803.79 = 162,481.22/x
  3. Step 3: Cross multiply
    248,471.90x = 342,803.79 × 162,481.22
  4. Step 4: Simplify right side
    248,471.90x = 55,699,178,019.82
  5. Step 5: Solve for x
    x = 55,699,178,019.82/248,471.90
  6. Step 6: Final answer
    x = 224,166.91

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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.