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Finding the Fourth Proportional to 112,399.41, 168,453.78 and 84,097.41

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Solution

The fourth proportional to 112,399.41, 168,453.78 and 84,097.41 is: 126,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,399.41 : 168,453.78 = 84,097.41 : x
  2. Step 2: Convert to fraction form
    112,399.41/168,453.78 = 84,097.41/x
  3. Step 3: Cross multiply
    112,399.41x = 168,453.78 × 84,097.41
  4. Step 4: Simplify right side
    112,399.41x = 14,166,527,023.84
  5. Step 5: Solve for x
    x = 14,166,527,023.84/112,399.41
  6. Step 6: Final answer
    x = 126,037.38

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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.