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Finding the Fourth Proportional to 100,698.92, 151,053.96 and 33,228.28

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Solution

The fourth proportional to 100,698.92, 151,053.96 and 33,228.28 is: 49,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,698.92 : 151,053.96 = 33,228.28 : x
  2. Step 2: Convert to fraction form
    100,698.92/151,053.96 = 33,228.28/x
  3. Step 3: Cross multiply
    100,698.92x = 151,053.96 × 33,228.28
  4. Step 4: Simplify right side
    100,698.92x = 5,019,263,277.99
  5. Step 5: Solve for x
    x = 5,019,263,277.99/100,698.92
  6. Step 6: Final answer
    x = 49,844.26

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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.