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Finding the Fourth Proportional to 196,904.40, 295,356.60 and 187,227.60

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Solution

The fourth proportional to 196,904.40, 295,356.60 and 187,227.60 is: 280,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,904.40 : 295,356.60 = 187,227.60 : x
  2. Step 2: Convert to fraction form
    196,904.40/295,356.60 = 187,227.60/x
  3. Step 3: Cross multiply
    196,904.40x = 295,356.60 × 187,227.60
  4. Step 4: Simplify right side
    196,904.40x = 55,298,907,362.16
  5. Step 5: Solve for x
    x = 55,298,907,362.16/196,904.40
  6. Step 6: Final answer
    x = 280,841.40

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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.