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Finding the Fourth Proportional to 119,571.87, 179,383.11 and 39,605.31

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Solution

The fourth proportional to 119,571.87, 179,383.11 and 39,605.31 is: 59,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,571.87 : 179,383.11 = 39,605.31 : x
  2. Step 2: Convert to fraction form
    119,571.87/179,383.11 = 39,605.31/x
  3. Step 3: Cross multiply
    119,571.87x = 179,383.11 × 39,605.31
  4. Step 4: Simplify right side
    119,571.87x = 7,104,523,508.20
  5. Step 5: Solve for x
    x = 7,104,523,508.20/119,571.87
  6. Step 6: Final answer
    x = 59,416.35

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1.5x scale

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.