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Finding the Fourth Proportional to 203,171.04, 304,871.76 and 109,674.72

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Solution

The fourth proportional to 203,171.04, 304,871.76 and 109,674.72 is: 164,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,171.04 : 304,871.76 = 109,674.72 : x
  2. Step 2: Convert to fraction form
    203,171.04/304,871.76 = 109,674.72/x
  3. Step 3: Cross multiply
    203,171.04x = 304,871.76 × 109,674.72
  4. Step 4: Simplify right side
    203,171.04x = 33,436,724,913.91
  5. Step 5: Solve for x
    x = 33,436,724,913.91/203,171.04
  6. Step 6: Final answer
    x = 164,574.27

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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.