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Finding the Fourth Proportional to 264,028.81, 395,885.06 and 84,036.49

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Solution

The fourth proportional to 264,028.81, 395,885.06 and 84,036.49 is: 126,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,028.81 : 395,885.06 = 84,036.49 : x
  2. Step 2: Convert to fraction form
    264,028.81/395,885.06 = 84,036.49/x
  3. Step 3: Cross multiply
    264,028.81x = 395,885.06 × 84,036.49
  4. Step 4: Simplify right side
    264,028.81x = 33,268,790,885.84
  5. Step 5: Solve for x
    x = 33,268,790,885.84/264,028.81
  6. Step 6: Final answer
    x = 126,004.40

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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.