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Finding the Fourth Proportional to 119,196.36, 178,794.36 and 30,449.89

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Solution

The fourth proportional to 119,196.36, 178,794.36 and 30,449.89 is: 45,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,196.36 : 178,794.36 = 30,449.89 : x
  2. Step 2: Convert to fraction form
    119,196.36/178,794.36 = 30,449.89/x
  3. Step 3: Cross multiply
    119,196.36x = 178,794.36 × 30,449.89
  4. Step 4: Simplify right side
    119,196.36x = 5,444,268,594.62
  5. Step 5: Solve for x
    x = 5,444,268,594.62/119,196.36
  6. Step 6: Final answer
    x = 45,674.79

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1.5x scale

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.