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Finding the Fourth Proportional to 357,468.87, 536,202.99 and 91,229.37

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Solution

The fourth proportional to 357,468.87, 536,202.99 and 91,229.37 is: 136,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,468.87 : 536,202.99 = 91,229.37 : x
  2. Step 2: Convert to fraction form
    357,468.87/536,202.99 = 91,229.37/x
  3. Step 3: Cross multiply
    357,468.87x = 536,202.99 × 91,229.37
  4. Step 4: Simplify right side
    357,468.87x = 48,917,460,969.82
  5. Step 5: Solve for x
    x = 48,917,460,969.82/357,468.87
  6. Step 6: Final answer
    x = 136,843.97

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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.