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Finding the Fourth Proportional to 248,516.67, 342,936.69 and 146,537.19

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Solution

The fourth proportional to 248,516.67, 342,936.69 and 146,537.19 is: 202,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,516.67 : 342,936.69 = 146,537.19 : x
  2. Step 2: Convert to fraction form
    248,516.67/342,936.69 = 146,537.19/x
  3. Step 3: Cross multiply
    248,516.67x = 342,936.69 × 146,537.19
  4. Step 4: Simplify right side
    248,516.67x = 50,252,978,900.50
  5. Step 5: Solve for x
    x = 50,252,978,900.50/248,516.67
  6. Step 6: Final answer
    x = 202,211.70

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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.