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Finding the Fourth Proportional to 170,029.68, 254,748.96 and 119,321.16

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Solution

The fourth proportional to 170,029.68, 254,748.96 and 119,321.16 is: 178,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,029.68 : 254,748.96 = 119,321.16 : x
  2. Step 2: Convert to fraction form
    170,029.68/254,748.96 = 119,321.16/x
  3. Step 3: Cross multiply
    170,029.68x = 254,748.96 × 119,321.16
  4. Step 4: Simplify right side
    170,029.68x = 30,396,941,415.99
  5. Step 5: Solve for x
    x = 30,396,941,415.99/170,029.68
  6. Step 6: Final answer
    x = 178,774.33

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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.