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Finding the Fourth Proportional to 220,615.84, 330,975.64 and 62,846.56

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Solution

The fourth proportional to 220,615.84, 330,975.64 and 62,846.56 is: 94,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,615.84 : 330,975.64 = 62,846.56 : x
  2. Step 2: Convert to fraction form
    220,615.84/330,975.64 = 62,846.56/x
  3. Step 3: Cross multiply
    220,615.84x = 330,975.64 × 62,846.56
  4. Step 4: Simplify right side
    220,615.84x = 20,800,680,417.80
  5. Step 5: Solve for x
    x = 20,800,680,417.80/220,615.84
  6. Step 6: Final answer
    x = 94,284.62

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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.