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Finding the Fourth Proportional to 301,170.38, 451,730.94 and 101,486.34

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Solution

The fourth proportional to 301,170.38, 451,730.94 and 101,486.34 is: 152,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,170.38 : 451,730.94 = 101,486.34 : x
  2. Step 2: Convert to fraction form
    301,170.38/451,730.94 = 101,486.34/x
  3. Step 3: Cross multiply
    301,170.38x = 451,730.94 × 101,486.34
  4. Step 4: Simplify right side
    301,170.38x = 45,844,519,765.36
  5. Step 5: Solve for x
    x = 45,844,519,765.36/301,170.38
  6. Step 6: Final answer
    x = 152,221.21

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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.