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Finding the Fourth Proportional to 301,912.68, 453,078.08 and 112,546

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Solution

The fourth proportional to 301,912.68, 453,078.08 and 112,546 is: 168,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,912.68 : 453,078.08 = 112,546 : x
  2. Step 2: Convert to fraction form
    301,912.68/453,078.08 = 112,546/x
  3. Step 3: Cross multiply
    301,912.68x = 453,078.08 × 112,546
  4. Step 4: Simplify right side
    301,912.68x = 50,992,125,591.68
  5. Step 5: Solve for x
    x = 50,992,125,591.68/301,912.68
  6. Step 6: Final answer
    x = 168,896.93

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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.