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Finding the Fourth Proportional to 73,351, 110,040.64 and 31,230.30

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Solution

The fourth proportional to 73,351, 110,040.64 and 31,230.30 is: 46,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,351 : 110,040.64 = 31,230.30 : x
  2. Step 2: Convert to fraction form
    73,351/110,040.64 = 31,230.30/x
  3. Step 3: Cross multiply
    73,351x = 110,040.64 × 31,230.30
  4. Step 4: Simplify right side
    73,351x = 3,436,602,199.39
  5. Step 5: Solve for x
    x = 3,436,602,199.39/73,351
  6. Step 6: Final answer
    x = 46,851.47

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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.