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Finding the Fourth Proportional to 97,694.60, 146,541.90 and 67,627.40

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Solution

The fourth proportional to 97,694.60, 146,541.90 and 67,627.40 is: 101,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,694.60 : 146,541.90 = 67,627.40 : x
  2. Step 2: Convert to fraction form
    97,694.60/146,541.90 = 67,627.40/x
  3. Step 3: Cross multiply
    97,694.60x = 146,541.90 × 67,627.40
  4. Step 4: Simplify right side
    97,694.60x = 9,910,247,688.06
  5. Step 5: Solve for x
    x = 9,910,247,688.06/97,694.60
  6. Step 6: Final answer
    x = 101,441.10

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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.