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Finding the Fourth Proportional to 253,852.94, 380,655.01 and 104,052.49

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Solution

The fourth proportional to 253,852.94, 380,655.01 and 104,052.49 is: 156,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,852.94 : 380,655.01 = 104,052.49 : x
  2. Step 2: Convert to fraction form
    253,852.94/380,655.01 = 104,052.49/x
  3. Step 3: Cross multiply
    253,852.94x = 380,655.01 × 104,052.49
  4. Step 4: Simplify right side
    253,852.94x = 39,608,099,197.94
  5. Step 5: Solve for x
    x = 39,608,099,197.94/253,852.94
  6. Step 6: Final answer
    x = 156,027.73

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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.