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Finding the Fourth Proportional to 222,531.26, 333,838.72 and 89,422.06

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Solution

The fourth proportional to 222,531.26, 333,838.72 and 89,422.06 is: 134,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,531.26 : 333,838.72 = 89,422.06 : x
  2. Step 2: Convert to fraction form
    222,531.26/333,838.72 = 89,422.06/x
  3. Step 3: Cross multiply
    222,531.26x = 333,838.72 × 89,422.06
  4. Step 4: Simplify right side
    222,531.26x = 29,852,546,050.16
  5. Step 5: Solve for x
    x = 29,852,546,050.16/222,531.26
  6. Step 6: Final answer
    x = 134,149.90

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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.