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Finding the Fourth Proportional to 222,181.40, 333,203.52 and 64,421.48

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Solution

The fourth proportional to 222,181.40, 333,203.52 and 64,421.48 is: 96,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,181.40 : 333,203.52 = 64,421.48 : x
  2. Step 2: Convert to fraction form
    222,181.40/333,203.52 = 64,421.48/x
  3. Step 3: Cross multiply
    222,181.40x = 333,203.52 × 64,421.48
  4. Step 4: Simplify right side
    222,181.40x = 21,465,463,899.61
  5. Step 5: Solve for x
    x = 21,465,463,899.61/222,181.40
  6. Step 6: Final answer
    x = 96,612.34

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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.