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Finding the Fourth Proportional to 68,758.74, 102,984.03 and 59,758.74

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Solution

The fourth proportional to 68,758.74, 102,984.03 and 59,758.74 is: 89,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,758.74 : 102,984.03 = 59,758.74 : x
  2. Step 2: Convert to fraction form
    68,758.74/102,984.03 = 59,758.74/x
  3. Step 3: Cross multiply
    68,758.74x = 102,984.03 × 59,758.74
  4. Step 4: Simplify right side
    68,758.74x = 6,154,195,872.92
  5. Step 5: Solve for x
    x = 6,154,195,872.92/68,758.74
  6. Step 6: Final answer
    x = 89,504.20

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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.