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Finding the Fourth Proportional to 245,323.20, 367,693.20 and 103,168.20

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Solution

The fourth proportional to 245,323.20, 367,693.20 and 103,168.20 is: 154,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,323.20 : 367,693.20 = 103,168.20 : x
  2. Step 2: Convert to fraction form
    245,323.20/367,693.20 = 103,168.20/x
  3. Step 3: Cross multiply
    245,323.20x = 367,693.20 × 103,168.20
  4. Step 4: Simplify right side
    245,323.20x = 37,934,245,596.24
  5. Step 5: Solve for x
    x = 37,934,245,596.24/245,323.20
  6. Step 6: Final answer
    x = 154,629.67

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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.