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Finding the Fourth Proportional to 143,598, 198,331.20 and 95,768.40

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Solution

The fourth proportional to 143,598, 198,331.20 and 95,768.40 is: 132,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,598 : 198,331.20 = 95,768.40 : x
  2. Step 2: Convert to fraction form
    143,598/198,331.20 = 95,768.40/x
  3. Step 3: Cross multiply
    143,598x = 198,331.20 × 95,768.40
  4. Step 4: Simplify right side
    143,598x = 18,993,861,694.08
  5. Step 5: Solve for x
    x = 18,993,861,694.08/143,598
  6. Step 6: Final answer
    x = 132,271.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.