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Finding the Fourth Proportional to 222,031, 333,155.84 and 103,685.14

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Solution

The fourth proportional to 222,031, 333,155.84 and 103,685.14 is: 155,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,031 : 333,155.84 = 103,685.14 : x
  2. Step 2: Convert to fraction form
    222,031/333,155.84 = 103,685.14/x
  3. Step 3: Cross multiply
    222,031x = 333,155.84 × 103,685.14
  4. Step 4: Simplify right side
    222,031x = 34,543,309,912.22
  5. Step 5: Solve for x
    x = 34,543,309,912.22/222,031
  6. Step 6: Final answer
    x = 155,578.77

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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.