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Finding the Fourth Proportional to 188,944,267.80, 283,416,401.70 and 79,892,574.60

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Solution

The fourth proportional to 188,944,267.80, 283,416,401.70 and 79,892,574.60 is: 119,838,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,944,267.80 : 283,416,401.70 = 79,892,574.60 : x
  2. Step 2: Convert to fraction form
    188,944,267.80/283,416,401.70 = 79,892,574.60/x
  3. Step 3: Cross multiply
    188,944,267.80x = 283,416,401.70 × 79,892,574.60
  4. Step 4: Simplify right side
    188,944,267.80x = 22,642,866,015,680,816
  5. Step 5: Solve for x
    x = 22,642,866,015,680,816/188,944,267.80
  6. Step 6: Final answer
    x = 119,838,861.90

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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.