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Finding the Fourth Proportional to 68,150.16, 102,200.40 and 23,768.64

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Solution

The fourth proportional to 68,150.16, 102,200.40 and 23,768.64 is: 35,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,150.16 : 102,200.40 = 23,768.64 : x
  2. Step 2: Convert to fraction form
    68,150.16/102,200.40 = 23,768.64/x
  3. Step 3: Cross multiply
    68,150.16x = 102,200.40 × 23,768.64
  4. Step 4: Simplify right side
    68,150.16x = 2,429,164,515.46
  5. Step 5: Solve for x
    x = 2,429,164,515.46/68,150.16
  6. Step 6: Final answer
    x = 35,644.30

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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.