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Finding the Fourth Proportional to 222,887.84, 332,015.20 and 210,815.36

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Solution

The fourth proportional to 222,887.84, 332,015.20 and 210,815.36 is: 314,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,887.84 : 332,015.20 = 210,815.36 : x
  2. Step 2: Convert to fraction form
    222,887.84/332,015.20 = 210,815.36/x
  3. Step 3: Cross multiply
    222,887.84x = 332,015.20 × 210,815.36
  4. Step 4: Simplify right side
    222,887.84x = 69,993,903,913.47
  5. Step 5: Solve for x
    x = 69,993,903,913.47/222,887.84
  6. Step 6: Final answer
    x = 314,031.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.