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Finding the Fourth Proportional to 201,553.06, 302,374.55 and 61,322.62

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Solution

The fourth proportional to 201,553.06, 302,374.55 and 61,322.62 is: 91,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,553.06 : 302,374.55 = 61,322.62 : x
  2. Step 2: Convert to fraction form
    201,553.06/302,374.55 = 61,322.62/x
  3. Step 3: Cross multiply
    201,553.06x = 302,374.55 × 61,322.62
  4. Step 4: Simplify right side
    201,553.06x = 18,542,399,627.32
  5. Step 5: Solve for x
    x = 18,542,399,627.32/201,553.06
  6. Step 6: Final answer
    x = 91,997.61

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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.