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Finding the Fourth Proportional to 119,950.73, 179,729.16 and 41,021.90

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Solution

The fourth proportional to 119,950.73, 179,729.16 and 41,021.90 is: 61,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,950.73 : 179,729.16 = 41,021.90 : x
  2. Step 2: Convert to fraction form
    119,950.73/179,729.16 = 41,021.90/x
  3. Step 3: Cross multiply
    119,950.73x = 179,729.16 × 41,021.90
  4. Step 4: Simplify right side
    119,950.73x = 7,372,831,628.60
  5. Step 5: Solve for x
    x = 7,372,831,628.60/119,950.73
  6. Step 6: Final answer
    x = 61,465.50

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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.