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Finding the Fourth Proportional to 201,660.63, 302,496.41 and 61,419.25

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Solution

The fourth proportional to 201,660.63, 302,496.41 and 61,419.25 is: 92,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,660.63 : 302,496.41 = 61,419.25 : x
  2. Step 2: Convert to fraction form
    201,660.63/302,496.41 = 61,419.25/x
  3. Step 3: Cross multiply
    201,660.63x = 302,496.41 × 61,419.25
  4. Step 4: Simplify right side
    201,660.63x = 18,579,102,629.89
  5. Step 5: Solve for x
    x = 18,579,102,629.89/201,660.63
  6. Step 6: Final answer
    x = 92,130.54

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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.