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Finding the Fourth Proportional to 118,226.52, 177,245.94 and 68,250.12

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Solution

The fourth proportional to 118,226.52, 177,245.94 and 68,250.12 is: 102,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.52 : 177,245.94 = 68,250.12 : x
  2. Step 2: Convert to fraction form
    118,226.52/177,245.94 = 68,250.12/x
  3. Step 3: Cross multiply
    118,226.52x = 177,245.94 × 68,250.12
  4. Step 4: Simplify right side
    118,226.52x = 12,097,056,674.51
  5. Step 5: Solve for x
    x = 12,097,056,674.51/118,226.52
  6. Step 6: Final answer
    x = 102,321.01

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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.