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Finding the Fourth Proportional to 79,457.43, 119,100.29 and 28,822.71

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Solution

The fourth proportional to 79,457.43, 119,100.29 and 28,822.71 is: 43,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,457.43 : 119,100.29 = 28,822.71 : x
  2. Step 2: Convert to fraction form
    79,457.43/119,100.29 = 28,822.71/x
  3. Step 3: Cross multiply
    79,457.43x = 119,100.29 × 28,822.71
  4. Step 4: Simplify right side
    79,457.43x = 3,432,792,975.47
  5. Step 5: Solve for x
    x = 3,432,792,975.47/79,457.43
  6. Step 6: Final answer
    x = 43,202.92

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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.