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Finding the Fourth Proportional to 119,885.85, 179,828.73 and 35,645.67

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Solution

The fourth proportional to 119,885.85, 179,828.73 and 35,645.67 is: 53,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,885.85 : 179,828.73 = 35,645.67 : x
  2. Step 2: Convert to fraction form
    119,885.85/179,828.73 = 35,645.67/x
  3. Step 3: Cross multiply
    119,885.85x = 179,828.73 × 35,645.67
  4. Step 4: Simplify right side
    119,885.85x = 6,410,115,566.10
  5. Step 5: Solve for x
    x = 6,410,115,566.10/119,885.85
  6. Step 6: Final answer
    x = 53,468.49

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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.