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Finding the Fourth Proportional to 188,994.78, 283,497.66 and 70,643.46

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Solution

The fourth proportional to 188,994.78, 283,497.66 and 70,643.46 is: 105,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,994.78 : 283,497.66 = 70,643.46 : x
  2. Step 2: Convert to fraction form
    188,994.78/283,497.66 = 70,643.46/x
  3. Step 3: Cross multiply
    188,994.78x = 283,497.66 × 70,643.46
  4. Step 4: Simplify right side
    188,994.78x = 20,027,255,604.30
  5. Step 5: Solve for x
    x = 20,027,255,604.30/188,994.78
  6. Step 6: Final answer
    x = 105,967.24

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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.