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Finding the Fourth Proportional to 245,188.80, 367,783.20 and 182,980.80

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Solution

The fourth proportional to 245,188.80, 367,783.20 and 182,980.80 is: 274,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,188.80 : 367,783.20 = 182,980.80 : x
  2. Step 2: Convert to fraction form
    245,188.80/367,783.20 = 182,980.80/x
  3. Step 3: Cross multiply
    245,188.80x = 367,783.20 × 182,980.80
  4. Step 4: Simplify right side
    245,188.80x = 67,297,264,162.56
  5. Step 5: Solve for x
    x = 67,297,264,162.56/245,188.80
  6. Step 6: Final answer
    x = 274,471.20

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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.