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Finding the Fourth Proportional to 100,485.77, 150,714.27 and 33,917.13

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Solution

The fourth proportional to 100,485.77, 150,714.27 and 33,917.13 is: 50,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,485.77 : 150,714.27 = 33,917.13 : x
  2. Step 2: Convert to fraction form
    100,485.77/150,714.27 = 33,917.13/x
  3. Step 3: Cross multiply
    100,485.77x = 150,714.27 × 33,917.13
  4. Step 4: Simplify right side
    100,485.77x = 5,111,795,488.45
  5. Step 5: Solve for x
    x = 5,111,795,488.45/100,485.77
  6. Step 6: Final answer
    x = 50,870.84

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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.