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Finding the Fourth Proportional to 248,279.97, 342,566.63 and 146,309.61

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Solution

The fourth proportional to 248,279.97, 342,566.63 and 146,309.61 is: 201,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,279.97 : 342,566.63 = 146,309.61 : x
  2. Step 2: Convert to fraction form
    248,279.97/342,566.63 = 146,309.61/x
  3. Step 3: Cross multiply
    248,279.97x = 342,566.63 × 146,309.61
  4. Step 4: Simplify right side
    248,279.97x = 50,120,789,302.77
  5. Step 5: Solve for x
    x = 50,120,789,302.77/248,279.97
  6. Step 6: Final answer
    x = 201,872.06

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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.