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Finding the Fourth Proportional to 196,679.80, 295,019.70 and 56,452.60

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Solution

The fourth proportional to 196,679.80, 295,019.70 and 56,452.60 is: 84,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,679.80 : 295,019.70 = 56,452.60 : x
  2. Step 2: Convert to fraction form
    196,679.80/295,019.70 = 56,452.60/x
  3. Step 3: Cross multiply
    196,679.80x = 295,019.70 × 56,452.60
  4. Step 4: Simplify right side
    196,679.80x = 16,654,629,116.22
  5. Step 5: Solve for x
    x = 16,654,629,116.22/196,679.80
  6. Step 6: Final answer
    x = 84,678.90

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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.