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Finding the Fourth Proportional to 112,014.40, 168,021.60 and 41,884.60

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Solution

The fourth proportional to 112,014.40, 168,021.60 and 41,884.60 is: 62,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.40 : 168,021.60 = 41,884.60 : x
  2. Step 2: Convert to fraction form
    112,014.40/168,021.60 = 41,884.60/x
  3. Step 3: Cross multiply
    112,014.40x = 168,021.60 × 41,884.60
  4. Step 4: Simplify right side
    112,014.40x = 7,037,517,507.36
  5. Step 5: Solve for x
    x = 7,037,517,507.36/112,014.40
  6. Step 6: Final answer
    x = 62,826.90

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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.