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Finding the Fourth Proportional to 222,493.98, 333,507.68 and 104,065.50

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Solution

The fourth proportional to 222,493.98, 333,507.68 and 104,065.50 is: 155,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,493.98 : 333,507.68 = 104,065.50 : x
  2. Step 2: Convert to fraction form
    222,493.98/333,507.68 = 104,065.50/x
  3. Step 3: Cross multiply
    222,493.98x = 333,507.68 × 104,065.50
  4. Step 4: Simplify right side
    222,493.98x = 34,706,643,473.04
  5. Step 5: Solve for x
    x = 34,706,643,473.04/222,493.98
  6. Step 6: Final answer
    x = 155,989.13

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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.