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Finding the Fourth Proportional to 119,490.39, 179,251.99 and 40,583.43

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Solution

The fourth proportional to 119,490.39, 179,251.99 and 40,583.43 is: 60,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,490.39 : 179,251.99 = 40,583.43 : x
  2. Step 2: Convert to fraction form
    119,490.39/179,251.99 = 40,583.43/x
  3. Step 3: Cross multiply
    119,490.39x = 179,251.99 × 40,583.43
  4. Step 4: Simplify right side
    119,490.39x = 7,274,660,487.07
  5. Step 5: Solve for x
    x = 7,274,660,487.07/119,490.39
  6. Step 6: Final answer
    x = 60,880.72

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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.