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Finding the Fourth Proportional to 173,892.80, 260,499.61 and 119,847.81

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Solution

The fourth proportional to 173,892.80, 260,499.61 and 119,847.81 is: 179,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,892.80 : 260,499.61 = 119,847.81 : x
  2. Step 2: Convert to fraction form
    173,892.80/260,499.61 = 119,847.81/x
  3. Step 3: Cross multiply
    173,892.80x = 260,499.61 × 119,847.81
  4. Step 4: Simplify right side
    173,892.80x = 31,220,307,464.73
  5. Step 5: Solve for x
    x = 31,220,307,464.73/173,892.80
  6. Step 6: Final answer
    x = 179,537.67

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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.