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Finding the Fourth Proportional to 67,823.70, 101,735.55 and 57,801.30

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Solution

The fourth proportional to 67,823.70, 101,735.55 and 57,801.30 is: 86,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,823.70 : 101,735.55 = 57,801.30 : x
  2. Step 2: Convert to fraction form
    67,823.70/101,735.55 = 57,801.30/x
  3. Step 3: Cross multiply
    67,823.70x = 101,735.55 × 57,801.30
  4. Step 4: Simplify right side
    67,823.70x = 5,880,447,046.22
  5. Step 5: Solve for x
    x = 5,880,447,046.22/67,823.70
  6. Step 6: Final answer
    x = 86,701.95

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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.