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Finding the Fourth Proportional to 201,554.54, 302,375.54 and 61,309.52

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Solution

The fourth proportional to 201,554.54, 302,375.54 and 61,309.52 is: 91,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,554.54 : 302,375.54 = 61,309.52 : x
  2. Step 2: Convert to fraction form
    201,554.54/302,375.54 = 61,309.52/x
  3. Step 3: Cross multiply
    201,554.54x = 302,375.54 × 61,309.52
  4. Step 4: Simplify right side
    201,554.54x = 18,538,497,398.72
  5. Step 5: Solve for x
    x = 18,538,497,398.72/201,554.54
  6. Step 6: Final answer
    x = 91,977.58

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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.