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Finding the Fourth Proportional to 265,099.80, 397,163.70 and 124,548.60

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Solution

The fourth proportional to 265,099.80, 397,163.70 and 124,548.60 is: 186,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,099.80 : 397,163.70 = 124,548.60 : x
  2. Step 2: Convert to fraction form
    265,099.80/397,163.70 = 124,548.60/x
  3. Step 3: Cross multiply
    265,099.80x = 397,163.70 × 124,548.60
  4. Step 4: Simplify right side
    265,099.80x = 49,466,182,805.82
  5. Step 5: Solve for x
    x = 49,466,182,805.82/265,099.80
  6. Step 6: Final answer
    x = 186,594.57

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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.