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Finding the Fourth Proportional to 221,628.58, 332,471.62 and 101,656.60

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Solution

The fourth proportional to 221,628.58, 332,471.62 and 101,656.60 is: 152,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,628.58 : 332,471.62 = 101,656.60 : x
  2. Step 2: Convert to fraction form
    221,628.58/332,471.62 = 101,656.60/x
  3. Step 3: Cross multiply
    221,628.58x = 332,471.62 × 101,656.60
  4. Step 4: Simplify right side
    221,628.58x = 33,797,934,485.69
  5. Step 5: Solve for x
    x = 33,797,934,485.69/221,628.58
  6. Step 6: Final answer
    x = 152,498.09

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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.