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Finding the Fourth Proportional to 222,985.31, 334,489.20 and 63,072.68

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Solution

The fourth proportional to 222,985.31, 334,489.20 and 63,072.68 is: 94,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,985.31 : 334,489.20 = 63,072.68 : x
  2. Step 2: Convert to fraction form
    222,985.31/334,489.20 = 63,072.68/x
  3. Step 3: Cross multiply
    222,985.31x = 334,489.20 × 63,072.68
  4. Step 4: Simplify right side
    222,985.31x = 21,097,128,366.09
  5. Step 5: Solve for x
    x = 21,097,128,366.09/222,985.31
  6. Step 6: Final answer
    x = 94,612.19

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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.