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Finding the Fourth Proportional to 196,278.80, 294,101.40 and 177,616.40

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Solution

The fourth proportional to 196,278.80, 294,101.40 and 177,616.40 is: 266,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,278.80 : 294,101.40 = 177,616.40 : x
  2. Step 2: Convert to fraction form
    196,278.80/294,101.40 = 177,616.40/x
  3. Step 3: Cross multiply
    196,278.80x = 294,101.40 × 177,616.40
  4. Step 4: Simplify right side
    196,278.80x = 52,237,231,902.96
  5. Step 5: Solve for x
    x = 52,237,231,902.96/196,278.80
  6. Step 6: Final answer
    x = 266,137.92

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1.5x scale

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.