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Finding the Fourth Proportional to 119,900, 179,858.64 and 46,028

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Solution

The fourth proportional to 119,900, 179,858.64 and 46,028 is: 69,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900 : 179,858.64 = 46,028 : x
  2. Step 2: Convert to fraction form
    119,900/179,858.64 = 46,028/x
  3. Step 3: Cross multiply
    119,900x = 179,858.64 × 46,028
  4. Step 4: Simplify right side
    119,900x = 8,278,533,481.92
  5. Step 5: Solve for x
    x = 8,278,533,481.92/119,900
  6. Step 6: Final answer
    x = 69,045.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.