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Finding the Fourth Proportional to 161,163.40, 241,745.07 and 61,300.51

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Solution

The fourth proportional to 161,163.40, 241,745.07 and 61,300.51 is: 91,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.40 : 241,745.07 = 61,300.51 : x
  2. Step 2: Convert to fraction form
    161,163.40/241,745.07 = 61,300.51/x
  3. Step 3: Cross multiply
    161,163.40x = 241,745.07 × 61,300.51
  4. Step 4: Simplify right side
    161,163.40x = 14,819,096,080.99
  5. Step 5: Solve for x
    x = 14,819,096,080.99/161,163.40
  6. Step 6: Final answer
    x = 91,950.75

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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.