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Finding the Fourth Proportional to 112,608.60, 168,878.14 and 32,652.46

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Solution

The fourth proportional to 112,608.60, 168,878.14 and 32,652.46 is: 48,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,608.60 : 168,878.14 = 32,652.46 : x
  2. Step 2: Convert to fraction form
    112,608.60/168,878.14 = 32,652.46/x
  3. Step 3: Cross multiply
    112,608.60x = 168,878.14 × 32,652.46
  4. Step 4: Simplify right side
    112,608.60x = 5,514,285,987.85
  5. Step 5: Solve for x
    x = 5,514,285,987.85/112,608.60
  6. Step 6: Final answer
    x = 48,968.61

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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.