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Finding the Fourth Proportional to 222,118.92, 333,172.85 and 103,922.51

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Solution

The fourth proportional to 222,118.92, 333,172.85 and 103,922.51 is: 155,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,118.92 : 333,172.85 = 103,922.51 : x
  2. Step 2: Convert to fraction form
    222,118.92/333,172.85 = 103,922.51/x
  3. Step 3: Cross multiply
    222,118.92x = 333,172.85 × 103,922.51
  4. Step 4: Simplify right side
    222,118.92x = 34,624,156,650.38
  5. Step 5: Solve for x
    x = 34,624,156,650.38/222,118.92
  6. Step 6: Final answer
    x = 155,881.17

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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.