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Finding the Fourth Proportional to 103,699.02, 155,546.67 and 33,578.40

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Solution

The fourth proportional to 103,699.02, 155,546.67 and 33,578.40 is: 50,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699.02 : 155,546.67 = 33,578.40 : x
  2. Step 2: Convert to fraction form
    103,699.02/155,546.67 = 33,578.40/x
  3. Step 3: Cross multiply
    103,699.02x = 155,546.67 × 33,578.40
  4. Step 4: Simplify right side
    103,699.02x = 5,223,008,303.93
  5. Step 5: Solve for x
    x = 5,223,008,303.93/103,699.02
  6. Step 6: Final answer
    x = 50,367.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.