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Finding the Fourth Proportional to 79,873.38, 119,810.07 and 27,283.32

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Solution

The fourth proportional to 79,873.38, 119,810.07 and 27,283.32 is: 40,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.38 : 119,810.07 = 27,283.32 : x
  2. Step 2: Convert to fraction form
    79,873.38/119,810.07 = 27,283.32/x
  3. Step 3: Cross multiply
    79,873.38x = 119,810.07 × 27,283.32
  4. Step 4: Simplify right side
    79,873.38x = 3,268,816,479.03
  5. Step 5: Solve for x
    x = 3,268,816,479.03/79,873.38
  6. Step 6: Final answer
    x = 40,924.98

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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.