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Finding the Fourth Proportional to 188,889.60, 283,334.40 and 168,222.45

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Solution

The fourth proportional to 188,889.60, 283,334.40 and 168,222.45 is: 252,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,889.60 : 283,334.40 = 168,222.45 : x
  2. Step 2: Convert to fraction form
    188,889.60/283,334.40 = 168,222.45/x
  3. Step 3: Cross multiply
    188,889.60x = 283,334.40 × 168,222.45
  4. Step 4: Simplify right side
    188,889.60x = 47,663,206,937.28
  5. Step 5: Solve for x
    x = 47,663,206,937.28/188,889.60
  6. Step 6: Final answer
    x = 252,333.68

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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.