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Finding the Fourth Proportional to 245,469.04, 368,162.48 and 67,993.92

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Solution

The fourth proportional to 245,469.04, 368,162.48 and 67,993.92 is: 101,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,469.04 : 368,162.48 = 67,993.92 : x
  2. Step 2: Convert to fraction form
    245,469.04/368,162.48 = 67,993.92/x
  3. Step 3: Cross multiply
    245,469.04x = 368,162.48 × 67,993.92
  4. Step 4: Simplify right side
    245,469.04x = 25,032,810,212.12
  5. Step 5: Solve for x
    x = 25,032,810,212.12/245,469.04
  6. Step 6: Final answer
    x = 101,979.50

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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.