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Finding the Fourth Proportional to 68,500.08, 102,650.76 and 33,400.08

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Solution

The fourth proportional to 68,500.08, 102,650.76 and 33,400.08 is: 50,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500.08 : 102,650.76 = 33,400.08 : x
  2. Step 2: Convert to fraction form
    68,500.08/102,650.76 = 33,400.08/x
  3. Step 3: Cross multiply
    68,500.08x = 102,650.76 × 33,400.08
  4. Step 4: Simplify right side
    68,500.08x = 3,428,543,596.06
  5. Step 5: Solve for x
    x = 3,428,543,596.06/68,500.08
  6. Step 6: Final answer
    x = 50,051.67

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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.