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Finding the Fourth Proportional to 222,472.28, 333,705.64 and 53,994

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Solution

The fourth proportional to 222,472.28, 333,705.64 and 53,994 is: 80,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,472.28 : 333,705.64 = 53,994 : x
  2. Step 2: Convert to fraction form
    222,472.28/333,705.64 = 53,994/x
  3. Step 3: Cross multiply
    222,472.28x = 333,705.64 × 53,994
  4. Step 4: Simplify right side
    222,472.28x = 18,018,102,326.16
  5. Step 5: Solve for x
    x = 18,018,102,326.16/222,472.28
  6. Step 6: Final answer
    x = 80,990.33

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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.