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Finding the Fourth Proportional to 222,207.60, 333,019.80 and 88,978.80

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Solution

The fourth proportional to 222,207.60, 333,019.80 and 88,978.80 is: 133,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,207.60 : 333,019.80 = 88,978.80 : x
  2. Step 2: Convert to fraction form
    222,207.60/333,019.80 = 88,978.80/x
  3. Step 3: Cross multiply
    222,207.60x = 333,019.80 × 88,978.80
  4. Step 4: Simplify right side
    222,207.60x = 29,631,702,180.24
  5. Step 5: Solve for x
    x = 29,631,702,180.24/222,207.60
  6. Step 6: Final answer
    x = 133,351.43

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1.5x scale

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.