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Finding the Fourth Proportional to 104,799.70, 157,076.52 and 48,520.92

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Solution

The fourth proportional to 104,799.70, 157,076.52 and 48,520.92 is: 72,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.70 : 157,076.52 = 48,520.92 : x
  2. Step 2: Convert to fraction form
    104,799.70/157,076.52 = 48,520.92/x
  3. Step 3: Cross multiply
    104,799.70x = 157,076.52 × 48,520.92
  4. Step 4: Simplify right side
    104,799.70x = 7,621,497,667.88
  5. Step 5: Solve for x
    x = 7,621,497,667.88/104,799.70
  6. Step 6: Final answer
    x = 72,724.42

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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.