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Finding the Fourth Proportional to 245,460.12, 367,745.22 and 112,451.64

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Solution

The fourth proportional to 245,460.12, 367,745.22 and 112,451.64 is: 168,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,460.12 : 367,745.22 = 112,451.64 : x
  2. Step 2: Convert to fraction form
    245,460.12/367,745.22 = 112,451.64/x
  3. Step 3: Cross multiply
    245,460.12x = 367,745.22 × 112,451.64
  4. Step 4: Simplify right side
    245,460.12x = 41,353,553,091.16
  5. Step 5: Solve for x
    x = 41,353,553,091.16/245,460.12
  6. Step 6: Final answer
    x = 168,473.61

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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.