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Finding the Fourth Proportional to 250,541.81, 345,732.81 and 148,576.88

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Solution

The fourth proportional to 250,541.81, 345,732.81 and 148,576.88 is: 205,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,541.81 : 345,732.81 = 148,576.88 : x
  2. Step 2: Convert to fraction form
    250,541.81/345,732.81 = 148,576.88/x
  3. Step 3: Cross multiply
    250,541.81x = 345,732.81 × 148,576.88
  4. Step 4: Simplify right side
    250,541.81x = 51,367,902,530.60
  5. Step 5: Solve for x
    x = 51,367,902,530.60/250,541.81
  6. Step 6: Final answer
    x = 205,027.27

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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.