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Finding the Fourth Proportional to 245,458.20, 367,992.90 and 134,650.20

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Solution

The fourth proportional to 245,458.20, 367,992.90 and 134,650.20 is: 201,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,458.20 : 367,992.90 = 134,650.20 : x
  2. Step 2: Convert to fraction form
    245,458.20/367,992.90 = 134,650.20/x
  3. Step 3: Cross multiply
    245,458.20x = 367,992.90 × 134,650.20
  4. Step 4: Simplify right side
    245,458.20x = 49,550,317,583.58
  5. Step 5: Solve for x
    x = 49,550,317,583.58/245,458.20
  6. Step 6: Final answer
    x = 201,868.66

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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.