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Finding the Fourth Proportional to 197,589.38, 296,384.06 and 72,930.38

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Solution

The fourth proportional to 197,589.38, 296,384.06 and 72,930.38 is: 109,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,589.38 : 296,384.06 = 72,930.38 : x
  2. Step 2: Convert to fraction form
    197,589.38/296,384.06 = 72,930.38/x
  3. Step 3: Cross multiply
    197,589.38x = 296,384.06 × 72,930.38
  4. Step 4: Simplify right side
    197,589.38x = 21,615,400,822.15
  5. Step 5: Solve for x
    x = 21,615,400,822.15/197,589.38
  6. Step 6: Final answer
    x = 109,395.56

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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.