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Finding the Fourth Proportional to 222,778.60, 333,876.30 and 89,549.80

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Solution

The fourth proportional to 222,778.60, 333,876.30 and 89,549.80 is: 134,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.60 : 333,876.30 = 89,549.80 : x
  2. Step 2: Convert to fraction form
    222,778.60/333,876.30 = 89,549.80/x
  3. Step 3: Cross multiply
    222,778.60x = 333,876.30 × 89,549.80
  4. Step 4: Simplify right side
    222,778.60x = 29,898,555,889.74
  5. Step 5: Solve for x
    x = 29,898,555,889.74/222,778.60
  6. Step 6: Final answer
    x = 134,207.49

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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.