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Finding the Fourth Proportional to 347,180.72, 520,870.92 and 110,559.92

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Solution

The fourth proportional to 347,180.72, 520,870.92 and 110,559.92 is: 165,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,180.72 : 520,870.92 = 110,559.92 : x
  2. Step 2: Convert to fraction form
    347,180.72/520,870.92 = 110,559.92/x
  3. Step 3: Cross multiply
    347,180.72x = 520,870.92 × 110,559.92
  4. Step 4: Simplify right side
    347,180.72x = 57,587,447,245.53
  5. Step 5: Solve for x
    x = 57,587,447,245.53/347,180.72
  6. Step 6: Final answer
    x = 165,871.67

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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.