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Finding the Fourth Proportional to 220,618.65, 330,884.37 and 60,653.29

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Solution

The fourth proportional to 220,618.65, 330,884.37 and 60,653.29 is: 90,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,618.65 : 330,884.37 = 60,653.29 : x
  2. Step 2: Convert to fraction form
    220,618.65/330,884.37 = 60,653.29/x
  3. Step 3: Cross multiply
    220,618.65x = 330,884.37 × 60,653.29
  4. Step 4: Simplify right side
    220,618.65x = 20,069,225,650.08
  5. Step 5: Solve for x
    x = 20,069,225,650.08/220,618.65
  6. Step 6: Final answer
    x = 90,967.95

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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.