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Finding the Fourth Proportional to 175,226.55, 262,861.70 and 68,596.74

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Solution

The fourth proportional to 175,226.55, 262,861.70 and 68,596.74 is: 102,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,226.55 : 262,861.70 = 68,596.74 : x
  2. Step 2: Convert to fraction form
    175,226.55/262,861.70 = 68,596.74/x
  3. Step 3: Cross multiply
    175,226.55x = 262,861.70 × 68,596.74
  4. Step 4: Simplify right side
    175,226.55x = 18,031,455,690.86
  5. Step 5: Solve for x
    x = 18,031,455,690.86/175,226.55
  6. Step 6: Final answer
    x = 102,903.67

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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.