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Finding the Fourth Proportional to 303,760.60, 455,705.33 and 104,027.36

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Solution

The fourth proportional to 303,760.60, 455,705.33 and 104,027.36 is: 156,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,760.60 : 455,705.33 = 104,027.36 : x
  2. Step 2: Convert to fraction form
    303,760.60/455,705.33 = 104,027.36/x
  3. Step 3: Cross multiply
    303,760.60x = 455,705.33 × 104,027.36
  4. Step 4: Simplify right side
    303,760.60x = 47,405,819,619.17
  5. Step 5: Solve for x
    x = 47,405,819,619.17/303,760.60
  6. Step 6: Final answer
    x = 156,063.10

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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.