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Finding the Fourth Proportional to 68,351.40, 102,527.10 and 63,102.60

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Solution

The fourth proportional to 68,351.40, 102,527.10 and 63,102.60 is: 94,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351.40 : 102,527.10 = 63,102.60 : x
  2. Step 2: Convert to fraction form
    68,351.40/102,527.10 = 63,102.60/x
  3. Step 3: Cross multiply
    68,351.40x = 102,527.10 × 63,102.60
  4. Step 4: Simplify right side
    68,351.40x = 6,469,726,580.46
  5. Step 5: Solve for x
    x = 6,469,726,580.46/68,351.40
  6. Step 6: Final answer
    x = 94,653.90

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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.