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Finding the Fourth Proportional to 112,638.60, 168,978.96 and 41,579.73

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Solution

The fourth proportional to 112,638.60, 168,978.96 and 41,579.73 is: 62,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,638.60 : 168,978.96 = 41,579.73 : x
  2. Step 2: Convert to fraction form
    112,638.60/168,978.96 = 41,579.73/x
  3. Step 3: Cross multiply
    112,638.60x = 168,978.96 × 41,579.73
  4. Step 4: Simplify right side
    112,638.60x = 7,026,099,532.48
  5. Step 5: Solve for x
    x = 7,026,099,532.48/112,638.60
  6. Step 6: Final answer
    x = 62,377.37

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1.5x scale

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.