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Finding the Fourth Proportional to 159,934.47, 239,639.13 and 54,696.03

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Solution

The fourth proportional to 159,934.47, 239,639.13 and 54,696.03 is: 81,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,934.47 : 239,639.13 = 54,696.03 : x
  2. Step 2: Convert to fraction form
    159,934.47/239,639.13 = 54,696.03/x
  3. Step 3: Cross multiply
    159,934.47x = 239,639.13 × 54,696.03
  4. Step 4: Simplify right side
    159,934.47x = 13,107,309,043.65
  5. Step 5: Solve for x
    x = 13,107,309,043.65/159,934.47
  6. Step 6: Final answer
    x = 81,954.25

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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.