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Finding the Fourth Proportional to 202,327.75, 303,491.52 and 60,172.45

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Solution

The fourth proportional to 202,327.75, 303,491.52 and 60,172.45 is: 90,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,327.75 : 303,491.52 = 60,172.45 : x
  2. Step 2: Convert to fraction form
    202,327.75/303,491.52 = 60,172.45/x
  3. Step 3: Cross multiply
    202,327.75x = 303,491.52 × 60,172.45
  4. Step 4: Simplify right side
    202,327.75x = 18,261,828,312.62
  5. Step 5: Solve for x
    x = 18,261,828,312.62/202,327.75
  6. Step 6: Final answer
    x = 90,258.64

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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.