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Finding the Fourth Proportional to 239,783.62, 330,901.43 and 132,353.68

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Solution

The fourth proportional to 239,783.62, 330,901.43 and 132,353.68 is: 182,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,783.62 : 330,901.43 = 132,353.68 : x
  2. Step 2: Convert to fraction form
    239,783.62/330,901.43 = 132,353.68/x
  3. Step 3: Cross multiply
    239,783.62x = 330,901.43 × 132,353.68
  4. Step 4: Simplify right side
    239,783.62x = 43,796,021,977.76
  5. Step 5: Solve for x
    x = 43,796,021,977.76/239,783.62
  6. Step 6: Final answer
    x = 182,648.10

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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.