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Finding the Fourth Proportional to 199,358.79, 298,986.84 and 59,084.61

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Solution

The fourth proportional to 199,358.79, 298,986.84 and 59,084.61 is: 88,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,358.79 : 298,986.84 = 59,084.61 : x
  2. Step 2: Convert to fraction form
    199,358.79/298,986.84 = 59,084.61/x
  3. Step 3: Cross multiply
    199,358.79x = 298,986.84 × 59,084.61
  4. Step 4: Simplify right side
    199,358.79x = 17,665,520,836.53
  5. Step 5: Solve for x
    x = 17,665,520,836.53/199,358.79
  6. Step 6: Final answer
    x = 88,611.70

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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.