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Finding the Fourth Proportional to 68,143.65, 93,998.37 and 44,286.21

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Solution

The fourth proportional to 68,143.65, 93,998.37 and 44,286.21 is: 61,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,143.65 : 93,998.37 = 44,286.21 : x
  2. Step 2: Convert to fraction form
    68,143.65/93,998.37 = 44,286.21/x
  3. Step 3: Cross multiply
    68,143.65x = 93,998.37 × 44,286.21
  4. Step 4: Simplify right side
    68,143.65x = 4,162,831,719.55
  5. Step 5: Solve for x
    x = 4,162,831,719.55/68,143.65
  6. Step 6: Final answer
    x = 61,089.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.