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Finding the Fourth Proportional to 196,086.60, 294,129.90 and 96,310.80

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Solution

The fourth proportional to 196,086.60, 294,129.90 and 96,310.80 is: 144,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,086.60 : 294,129.90 = 96,310.80 : x
  2. Step 2: Convert to fraction form
    196,086.60/294,129.90 = 96,310.80/x
  3. Step 3: Cross multiply
    196,086.60x = 294,129.90 × 96,310.80
  4. Step 4: Simplify right side
    196,086.60x = 28,327,885,972.92
  5. Step 5: Solve for x
    x = 28,327,885,972.92/196,086.60
  6. Step 6: Final answer
    x = 144,466.20

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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.