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Finding the Fourth Proportional to 189,604.50, 261,654.22 and 104,727.04

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Solution

The fourth proportional to 189,604.50, 261,654.22 and 104,727.04 is: 144,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,604.50 : 261,654.22 = 104,727.04 : x
  2. Step 2: Convert to fraction form
    189,604.50/261,654.22 = 104,727.04/x
  3. Step 3: Cross multiply
    189,604.50x = 261,654.22 × 104,727.04
  4. Step 4: Simplify right side
    189,604.50x = 27,402,271,964.11
  5. Step 5: Solve for x
    x = 27,402,271,964.11/189,604.50
  6. Step 6: Final answer
    x = 144,523.32

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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.