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Finding the Fourth Proportional to 179,369.87, 268,961.34 and 66,957.63

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Solution

The fourth proportional to 179,369.87, 268,961.34 and 66,957.63 is: 100,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,369.87 : 268,961.34 = 66,957.63 : x
  2. Step 2: Convert to fraction form
    179,369.87/268,961.34 = 66,957.63/x
  3. Step 3: Cross multiply
    179,369.87x = 268,961.34 × 66,957.63
  4. Step 4: Simplify right side
    179,369.87x = 18,009,014,225.64
  5. Step 5: Solve for x
    x = 18,009,014,225.64/179,369.87
  6. Step 6: Final answer
    x = 100,401.56

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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.