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Finding the Fourth Proportional to 228,898.60, 343,380.30 and 71,110.60

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Solution

The fourth proportional to 228,898.60, 343,380.30 and 71,110.60 is: 106,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,898.60 : 343,380.30 = 71,110.60 : x
  2. Step 2: Convert to fraction form
    228,898.60/343,380.30 = 71,110.60/x
  3. Step 3: Cross multiply
    228,898.60x = 343,380.30 × 71,110.60
  4. Step 4: Simplify right side
    228,898.60x = 24,417,979,161.18
  5. Step 5: Solve for x
    x = 24,417,979,161.18/228,898.60
  6. Step 6: Final answer
    x = 106,675.97

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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.