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Finding the Fourth Proportional to 239,816.46, 330,944.94 and 132,386.46

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Solution

The fourth proportional to 239,816.46, 330,944.94 and 132,386.46 is: 182,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,816.46 : 330,944.94 = 132,386.46 : x
  2. Step 2: Convert to fraction form
    239,816.46/330,944.94 = 132,386.46/x
  3. Step 3: Cross multiply
    239,816.46x = 330,944.94 × 132,386.46
  4. Step 4: Simplify right side
    239,816.46x = 43,812,629,061.51
  5. Step 5: Solve for x
    x = 43,812,629,061.51/239,816.46
  6. Step 6: Final answer
    x = 182,692.34

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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.