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Finding the Fourth Proportional to 253,874.07, 350,346.21 and 140,704.11

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Solution

The fourth proportional to 253,874.07, 350,346.21 and 140,704.11 is: 194,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,874.07 : 350,346.21 = 140,704.11 : x
  2. Step 2: Convert to fraction form
    253,874.07/350,346.21 = 140,704.11/x
  3. Step 3: Cross multiply
    253,874.07x = 350,346.21 × 140,704.11
  4. Step 4: Simplify right side
    253,874.07x = 49,295,151,669.92
  5. Step 5: Solve for x
    x = 49,295,151,669.92/253,874.07
  6. Step 6: Final answer
    x = 194,171.67

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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.