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Finding the Fourth Proportional to 170,069.63, 254,946.69 and 75,249.41

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Solution

The fourth proportional to 170,069.63, 254,946.69 and 75,249.41 is: 112,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,069.63 : 254,946.69 = 75,249.41 : x
  2. Step 2: Convert to fraction form
    170,069.63/254,946.69 = 75,249.41/x
  3. Step 3: Cross multiply
    170,069.63x = 254,946.69 × 75,249.41
  4. Step 4: Simplify right side
    170,069.63x = 19,184,586,729.22
  5. Step 5: Solve for x
    x = 19,184,586,729.22/170,069.63
  6. Step 6: Final answer
    x = 112,804.31

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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.