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Finding the Fourth Proportional to 317,063.10, 475,659.45 and 106,722.30

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Solution

The fourth proportional to 317,063.10, 475,659.45 and 106,722.30 is: 160,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,063.10 : 475,659.45 = 106,722.30 : x
  2. Step 2: Convert to fraction form
    317,063.10/475,659.45 = 106,722.30/x
  3. Step 3: Cross multiply
    317,063.10x = 475,659.45 × 106,722.30
  4. Step 4: Simplify right side
    317,063.10x = 50,763,470,520.74
  5. Step 5: Solve for x
    x = 50,763,470,520.74/317,063.10
  6. Step 6: Final answer
    x = 160,105.26

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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.