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Finding the Fourth Proportional to 74,993.50, 103,491.03 and 41,459.50

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Solution

The fourth proportional to 74,993.50, 103,491.03 and 41,459.50 is: 57,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.50 : 103,491.03 = 41,459.50 : x
  2. Step 2: Convert to fraction form
    74,993.50/103,491.03 = 41,459.50/x
  3. Step 3: Cross multiply
    74,993.50x = 103,491.03 × 41,459.50
  4. Step 4: Simplify right side
    74,993.50x = 4,290,686,358.29
  5. Step 5: Solve for x
    x = 4,290,686,358.29/74,993.50
  6. Step 6: Final answer
    x = 57,214.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.