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Finding the Fourth Proportional to 79,950.99, 119,904.58 and 30,027.22

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Solution

The fourth proportional to 79,950.99, 119,904.58 and 30,027.22 is: 45,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950.99 : 119,904.58 = 30,027.22 : x
  2. Step 2: Convert to fraction form
    79,950.99/119,904.58 = 30,027.22/x
  3. Step 3: Cross multiply
    79,950.99x = 119,904.58 × 30,027.22
  4. Step 4: Simplify right side
    79,950.99x = 3,600,401,202.67
  5. Step 5: Solve for x
    x = 3,600,401,202.67/79,950.99
  6. Step 6: Final answer
    x = 45,032.60

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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.