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Finding the Fourth Proportional to 221,817.89, 332,584.70 and 93,699.36

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Solution

The fourth proportional to 221,817.89, 332,584.70 and 93,699.36 is: 140,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,817.89 : 332,584.70 = 93,699.36 : x
  2. Step 2: Convert to fraction form
    221,817.89/332,584.70 = 93,699.36/x
  3. Step 3: Cross multiply
    221,817.89x = 332,584.70 × 93,699.36
  4. Step 4: Simplify right side
    221,817.89x = 31,162,973,535.79
  5. Step 5: Solve for x
    x = 31,162,973,535.79/221,817.89
  6. Step 6: Final answer
    x = 140,489.00

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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.