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Finding the Fourth Proportional to 248,905.50, 373,395.69 and 80,369.34

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Solution

The fourth proportional to 248,905.50, 373,395.69 and 80,369.34 is: 120,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,905.50 : 373,395.69 = 80,369.34 : x
  2. Step 2: Convert to fraction form
    248,905.50/373,395.69 = 80,369.34/x
  3. Step 3: Cross multiply
    248,905.50x = 373,395.69 × 80,369.34
  4. Step 4: Simplify right side
    248,905.50x = 30,009,565,164.14
  5. Step 5: Solve for x
    x = 30,009,565,164.14/248,905.50
  6. Step 6: Final answer
    x = 120,566.10

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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.