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Finding the Fourth Proportional to 295,255.84, 442,620.48 and 108,223.60

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Solution

The fourth proportional to 295,255.84, 442,620.48 and 108,223.60 is: 162,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,255.84 : 442,620.48 = 108,223.60 : x
  2. Step 2: Convert to fraction form
    295,255.84/442,620.48 = 108,223.60/x
  3. Step 3: Cross multiply
    295,255.84x = 442,620.48 × 108,223.60
  4. Step 4: Simplify right side
    295,255.84x = 47,901,981,779.33
  5. Step 5: Solve for x
    x = 47,901,981,779.33/295,255.84
  6. Step 6: Final answer
    x = 162,238.90

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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.