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Finding the Fourth Proportional to 248,906.70, 373,361.40 and 61,918.20

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Solution

The fourth proportional to 248,906.70, 373,361.40 and 61,918.20 is: 92,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,906.70 : 373,361.40 = 61,918.20 : x
  2. Step 2: Convert to fraction form
    248,906.70/373,361.40 = 61,918.20/x
  3. Step 3: Cross multiply
    248,906.70x = 373,361.40 × 61,918.20
  4. Step 4: Simplify right side
    248,906.70x = 23,117,865,837.48
  5. Step 5: Solve for x
    x = 23,117,865,837.48/248,906.70
  6. Step 6: Final answer
    x = 92,877.64

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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.