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Finding the Fourth Proportional to 196,847.40, 295,271.10 and 157,481.40

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Solution

The fourth proportional to 196,847.40, 295,271.10 and 157,481.40 is: 236,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,847.40 : 295,271.10 = 157,481.40 : x
  2. Step 2: Convert to fraction form
    196,847.40/295,271.10 = 157,481.40/x
  3. Step 3: Cross multiply
    196,847.40x = 295,271.10 × 157,481.40
  4. Step 4: Simplify right side
    196,847.40x = 46,499,706,207.54
  5. Step 5: Solve for x
    x = 46,499,706,207.54/196,847.40
  6. Step 6: Final answer
    x = 236,222.10

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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.