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Finding the Fourth Proportional to 201,568.52, 302,396.52 and 61,323.50

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Solution

The fourth proportional to 201,568.52, 302,396.52 and 61,323.50 is: 91,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,568.52 : 302,396.52 = 61,323.50 : x
  2. Step 2: Convert to fraction form
    201,568.52/302,396.52 = 61,323.50/x
  3. Step 3: Cross multiply
    201,568.52x = 302,396.52 × 61,323.50
  4. Step 4: Simplify right side
    201,568.52x = 18,544,012,994.22
  5. Step 5: Solve for x
    x = 18,544,012,994.22/201,568.52
  6. Step 6: Final answer
    x = 91,998.56

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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.