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Finding the Fourth Proportional to 170,102.92, 254,862.77 and 120,093.52

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Solution

The fourth proportional to 170,102.92, 254,862.77 and 120,093.52 is: 179,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,102.92 : 254,862.77 = 120,093.52 : x
  2. Step 2: Convert to fraction form
    170,102.92/254,862.77 = 120,093.52/x
  3. Step 3: Cross multiply
    170,102.92x = 254,862.77 × 120,093.52
  4. Step 4: Simplify right side
    170,102.92x = 30,607,365,891.94
  5. Step 5: Solve for x
    x = 30,607,365,891.94/170,102.92
  6. Step 6: Final answer
    x = 179,934.40

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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.