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Finding the Fourth Proportional to 134,697.79, 202,078.34 and 45,951.60

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Solution

The fourth proportional to 134,697.79, 202,078.34 and 45,951.60 is: 68,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,697.79 : 202,078.34 = 45,951.60 : x
  2. Step 2: Convert to fraction form
    134,697.79/202,078.34 = 45,951.60/x
  3. Step 3: Cross multiply
    134,697.79x = 202,078.34 × 45,951.60
  4. Step 4: Simplify right side
    134,697.79x = 9,285,824,007.18
  5. Step 5: Solve for x
    x = 9,285,824,007.18/134,697.79
  6. Step 6: Final answer
    x = 68,938.21

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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.