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Finding the Fourth Proportional to 222,852.60, 333,987.30 and 89,623.80

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Solution

The fourth proportional to 222,852.60, 333,987.30 and 89,623.80 is: 134,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,852.60 : 333,987.30 = 89,623.80 : x
  2. Step 2: Convert to fraction form
    222,852.60/333,987.30 = 89,623.80/x
  3. Step 3: Cross multiply
    222,852.60x = 333,987.30 × 89,623.80
  4. Step 4: Simplify right side
    222,852.60x = 29,933,210,977.74
  5. Step 5: Solve for x
    x = 29,933,210,977.74/222,852.60
  6. Step 6: Final answer
    x = 134,318.43

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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.