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Finding the Fourth Proportional to 254,485.52, 381,725.85 and 154,673.27

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Solution

The fourth proportional to 254,485.52, 381,725.85 and 154,673.27 is: 232,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,485.52 : 381,725.85 = 154,673.27 : x
  2. Step 2: Convert to fraction form
    254,485.52/381,725.85 = 154,673.27/x
  3. Step 3: Cross multiply
    254,485.52x = 381,725.85 × 154,673.27
  4. Step 4: Simplify right side
    254,485.52x = 59,042,785,463.03
  5. Step 5: Solve for x
    x = 59,042,785,463.03/254,485.52
  6. Step 6: Final answer
    x = 232,008.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.