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Finding the Fourth Proportional to 200,366.56, 300,486.99 and 58,221.66

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Solution

The fourth proportional to 200,366.56, 300,486.99 and 58,221.66 is: 87,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,366.56 : 300,486.99 = 58,221.66 : x
  2. Step 2: Convert to fraction form
    200,366.56/300,486.99 = 58,221.66/x
  3. Step 3: Cross multiply
    200,366.56x = 300,486.99 × 58,221.66
  4. Step 4: Simplify right side
    200,366.56x = 17,494,852,185.29
  5. Step 5: Solve for x
    x = 17,494,852,185.29/200,366.56
  6. Step 6: Final answer
    x = 87,314.23

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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.