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Finding the Fourth Proportional to 220,618.84, 330,980.10 and 62,849.56

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Solution

The fourth proportional to 220,618.84, 330,980.10 and 62,849.56 is: 94,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,618.84 : 330,980.10 = 62,849.56 : x
  2. Step 2: Convert to fraction form
    220,618.84/330,980.10 = 62,849.56/x
  3. Step 3: Cross multiply
    220,618.84x = 330,980.10 × 62,849.56
  4. Step 4: Simplify right side
    220,618.84x = 20,801,953,653.76
  5. Step 5: Solve for x
    x = 20,801,953,653.76/220,618.84
  6. Step 6: Final answer
    x = 94,289.11

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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.