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Finding the Fourth Proportional to 204,744.70, 307,117.05 and 125,903.35

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Solution

The fourth proportional to 204,744.70, 307,117.05 and 125,903.35 is: 188,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,744.70 : 307,117.05 = 125,903.35 : x
  2. Step 2: Convert to fraction form
    204,744.70/307,117.05 = 125,903.35/x
  3. Step 3: Cross multiply
    204,744.70x = 307,117.05 × 125,903.35
  4. Step 4: Simplify right side
    204,744.70x = 38,667,065,437.12
  5. Step 5: Solve for x
    x = 38,667,065,437.12/204,744.70
  6. Step 6: Final answer
    x = 188,855.03

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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.