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Finding the Fourth Proportional to 222,881.84, 332,006.26 and 210,809.36

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Solution

The fourth proportional to 222,881.84, 332,006.26 and 210,809.36 is: 314,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,881.84 : 332,006.26 = 210,809.36 : x
  2. Step 2: Convert to fraction form
    222,881.84/332,006.26 = 210,809.36/x
  3. Step 3: Cross multiply
    222,881.84x = 332,006.26 × 210,809.36
  4. Step 4: Simplify right side
    222,881.84x = 69,990,027,186.59
  5. Step 5: Solve for x
    x = 69,990,027,186.59/222,881.84
  6. Step 6: Final answer
    x = 314,023.01

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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.