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Finding the Fourth Proportional to 189,732.24, 261,808.20 and 104,844.24

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Solution

The fourth proportional to 189,732.24, 261,808.20 and 104,844.24 is: 144,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,732.24 : 261,808.20 = 104,844.24 : x
  2. Step 2: Convert to fraction form
    189,732.24/261,808.20 = 104,844.24/x
  3. Step 3: Cross multiply
    189,732.24x = 261,808.20 × 104,844.24
  4. Step 4: Simplify right side
    189,732.24x = 27,449,081,754.77
  5. Step 5: Solve for x
    x = 27,449,081,754.77/189,732.24
  6. Step 6: Final answer
    x = 144,672.73

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1.5x scale

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.