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Finding the Fourth Proportional to 222,764.60, 333,855.30 and 89,535.80

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Solution

The fourth proportional to 222,764.60, 333,855.30 and 89,535.80 is: 134,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,764.60 : 333,855.30 = 89,535.80 : x
  2. Step 2: Convert to fraction form
    222,764.60/333,855.30 = 89,535.80/x
  3. Step 3: Cross multiply
    222,764.60x = 333,855.30 × 89,535.80
  4. Step 4: Simplify right side
    222,764.60x = 29,892,001,369.74
  5. Step 5: Solve for x
    x = 29,892,001,369.74/222,764.60
  6. Step 6: Final answer
    x = 134,186.50

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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.