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Finding the Fourth Proportional to 159,934.98, 239,639.88 and 54,696.54

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Solution

The fourth proportional to 159,934.98, 239,639.88 and 54,696.54 is: 81,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,934.98 : 239,639.88 = 54,696.54 : x
  2. Step 2: Convert to fraction form
    159,934.98/239,639.88 = 54,696.54/x
  3. Step 3: Cross multiply
    159,934.98x = 239,639.88 × 54,696.54
  4. Step 4: Simplify right side
    159,934.98x = 13,107,472,282.02
  5. Step 5: Solve for x
    x = 13,107,472,282.02/159,934.98
  6. Step 6: Final answer
    x = 81,955.01

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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.