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Finding the Fourth Proportional to 222,555.80, 333,833.70 and 89,456.60

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Solution

The fourth proportional to 222,555.80, 333,833.70 and 89,456.60 is: 134,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,555.80 : 333,833.70 = 89,456.60 : x
  2. Step 2: Convert to fraction form
    222,555.80/333,833.70 = 89,456.60/x
  3. Step 3: Cross multiply
    222,555.80x = 333,833.70 × 89,456.60
  4. Step 4: Simplify right side
    222,555.80x = 29,863,627,767.42
  5. Step 5: Solve for x
    x = 29,863,627,767.42/222,555.80
  6. Step 6: Final answer
    x = 134,184.90

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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.