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Finding the Fourth Proportional to 228,049.40, 342,074.10 and 109,732.70

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Solution

The fourth proportional to 228,049.40, 342,074.10 and 109,732.70 is: 164,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,049.40 : 342,074.10 = 109,732.70 : x
  2. Step 2: Convert to fraction form
    228,049.40/342,074.10 = 109,732.70/x
  3. Step 3: Cross multiply
    228,049.40x = 342,074.10 × 109,732.70
  4. Step 4: Simplify right side
    228,049.40x = 37,536,714,593.07
  5. Step 5: Solve for x
    x = 37,536,714,593.07/228,049.40
  6. Step 6: Final answer
    x = 164,599.05

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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.