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Finding the Fourth Proportional to 222,509.88, 333,836.10 and 64,747.80

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Solution

The fourth proportional to 222,509.88, 333,836.10 and 64,747.80 is: 97,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,509.88 : 333,836.10 = 64,747.80 : x
  2. Step 2: Convert to fraction form
    222,509.88/333,836.10 = 64,747.80/x
  3. Step 3: Cross multiply
    222,509.88x = 333,836.10 × 64,747.80
  4. Step 4: Simplify right side
    222,509.88x = 21,615,153,035.58
  5. Step 5: Solve for x
    x = 21,615,153,035.58/222,509.88
  6. Step 6: Final answer
    x = 97,142.44

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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.