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Finding the Fourth Proportional to 173,912.40, 260,868.60 and 49,254.48

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Solution

The fourth proportional to 173,912.40, 260,868.60 and 49,254.48 is: 73,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,912.40 : 260,868.60 = 49,254.48 : x
  2. Step 2: Convert to fraction form
    173,912.40/260,868.60 = 49,254.48/x
  3. Step 3: Cross multiply
    173,912.40x = 260,868.60 × 49,254.48
  4. Step 4: Simplify right side
    173,912.40x = 12,848,947,241.33
  5. Step 5: Solve for x
    x = 12,848,947,241.33/173,912.40
  6. Step 6: Final answer
    x = 73,881.72

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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.