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Finding the Fourth Proportional to 239,663.34, 330,676.44 and 146,505.54

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Solution

The fourth proportional to 239,663.34, 330,676.44 and 146,505.54 is: 202,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,663.34 : 330,676.44 = 146,505.54 : x
  2. Step 2: Convert to fraction form
    239,663.34/330,676.44 = 146,505.54/x
  3. Step 3: Cross multiply
    239,663.34x = 330,676.44 × 146,505.54
  4. Step 4: Simplify right side
    239,663.34x = 48,445,930,407.48
  5. Step 5: Solve for x
    x = 48,445,930,407.48/239,663.34
  6. Step 6: Final answer
    x = 202,141.60

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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.