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Finding the Fourth Proportional to 68,321.04, 102,479.64 and 37,217.04

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Solution

The fourth proportional to 68,321.04, 102,479.64 and 37,217.04 is: 55,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,321.04 : 102,479.64 = 37,217.04 : x
  2. Step 2: Convert to fraction form
    68,321.04/102,479.64 = 37,217.04/x
  3. Step 3: Cross multiply
    68,321.04x = 102,479.64 × 37,217.04
  4. Step 4: Simplify right side
    68,321.04x = 3,813,988,861.07
  5. Step 5: Solve for x
    x = 3,813,988,861.07/68,321.04
  6. Step 6: Final answer
    x = 55,824.51

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1.5x scale

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.