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Finding the Fourth Proportional to 220,457.67, 330,626.43 and 60,495.68

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Solution

The fourth proportional to 220,457.67, 330,626.43 and 60,495.68 is: 90,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,457.67 : 330,626.43 = 60,495.68 : x
  2. Step 2: Convert to fraction form
    220,457.67/330,626.43 = 60,495.68/x
  3. Step 3: Cross multiply
    220,457.67x = 330,626.43 × 60,495.68
  4. Step 4: Simplify right side
    220,457.67x = 20,001,470,708.82
  5. Step 5: Solve for x
    x = 20,001,470,708.82/220,457.67
  6. Step 6: Final answer
    x = 90,727.03

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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.