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Finding the Fourth Proportional to 239,660.34, 330,672.30 and 146,502.54

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Solution

The fourth proportional to 239,660.34, 330,672.30 and 146,502.54 is: 202,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,660.34 : 330,672.30 = 146,502.54 : x
  2. Step 2: Convert to fraction form
    239,660.34/330,672.30 = 146,502.54/x
  3. Step 3: Cross multiply
    239,660.34x = 330,672.30 × 146,502.54
  4. Step 4: Simplify right side
    239,660.34x = 48,444,331,857.64
  5. Step 5: Solve for x
    x = 48,444,331,857.64/239,660.34
  6. Step 6: Final answer
    x = 202,137.46

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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.