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Finding the Fourth Proportional to 239,265.96, 358,560.46 and 132,696.84

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Solution

The fourth proportional to 239,265.96, 358,560.46 and 132,696.84 is: 198,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,265.96 : 358,560.46 = 132,696.84 : x
  2. Step 2: Convert to fraction form
    239,265.96/358,560.46 = 132,696.84/x
  3. Step 3: Cross multiply
    239,265.96x = 358,560.46 × 132,696.84
  4. Step 4: Simplify right side
    239,265.96x = 47,579,839,990.95
  5. Step 5: Solve for x
    x = 47,579,839,990.95/239,265.96
  6. Step 6: Final answer
    x = 198,857.54

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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.