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Finding the Fourth Proportional to 127,181.54, 190,799.31 and 48,294.02

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Solution

The fourth proportional to 127,181.54, 190,799.31 and 48,294.02 is: 72,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,181.54 : 190,799.31 = 48,294.02 : x
  2. Step 2: Convert to fraction form
    127,181.54/190,799.31 = 48,294.02/x
  3. Step 3: Cross multiply
    127,181.54x = 190,799.31 × 48,294.02
  4. Step 4: Simplify right side
    127,181.54x = 9,214,466,351.23
  5. Step 5: Solve for x
    x = 9,214,466,351.23/127,181.54
  6. Step 6: Final answer
    x = 72,451.29

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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.