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Finding the Fourth Proportional to 201,791.55, 302,687.33 and 61,531.95

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Solution

The fourth proportional to 201,791.55, 302,687.33 and 61,531.95 is: 92,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,791.55 : 302,687.33 = 61,531.95 : x
  2. Step 2: Convert to fraction form
    201,791.55/302,687.33 = 61,531.95/x
  3. Step 3: Cross multiply
    201,791.55x = 302,687.33 × 61,531.95
  4. Step 4: Simplify right side
    201,791.55x = 18,624,941,347.53
  5. Step 5: Solve for x
    x = 18,624,941,347.53/201,791.55
  6. Step 6: Final answer
    x = 92,297.93

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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.