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Finding the Fourth Proportional to 222,555.12, 333,846.24 and 72,811.23

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Solution

The fourth proportional to 222,555.12, 333,846.24 and 72,811.23 is: 109,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,555.12 : 333,846.24 = 72,811.23 : x
  2. Step 2: Convert to fraction form
    222,555.12/333,846.24 = 72,811.23/x
  3. Step 3: Cross multiply
    222,555.12x = 333,846.24 × 72,811.23
  4. Step 4: Simplify right side
    222,555.12x = 24,307,755,365.28
  5. Step 5: Solve for x
    x = 24,307,755,365.28/222,555.12
  6. Step 6: Final answer
    x = 109,221.28

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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.