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Finding the Fourth Proportional to 351,333.75, 527,015.22 and 102,015.75

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Solution

The fourth proportional to 351,333.75, 527,015.22 and 102,015.75 is: 153,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,333.75 : 527,015.22 = 102,015.75 : x
  2. Step 2: Convert to fraction form
    351,333.75/527,015.22 = 102,015.75/x
  3. Step 3: Cross multiply
    351,333.75x = 527,015.22 × 102,015.75
  4. Step 4: Simplify right side
    351,333.75x = 53,763,852,929.72
  5. Step 5: Solve for x
    x = 53,763,852,929.72/351,333.75
  6. Step 6: Final answer
    x = 153,027.86

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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.