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Finding the Fourth Proportional to 196,793.28, 295,276.64 and 103,276.48

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Solution

The fourth proportional to 196,793.28, 295,276.64 and 103,276.48 is: 154,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,793.28 : 295,276.64 = 103,276.48 : x
  2. Step 2: Convert to fraction form
    196,793.28/295,276.64 = 103,276.48/x
  3. Step 3: Cross multiply
    196,793.28x = 295,276.64 × 103,276.48
  4. Step 4: Simplify right side
    196,793.28x = 30,495,132,005.43
  5. Step 5: Solve for x
    x = 30,495,132,005.43/196,793.28
  6. Step 6: Final answer
    x = 154,960.23

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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.