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Finding the Fourth Proportional to 245,563.20, 367,999.20 and 181,886.40

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Solution

The fourth proportional to 245,563.20, 367,999.20 and 181,886.40 is: 272,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,563.20 : 367,999.20 = 181,886.40 : x
  2. Step 2: Convert to fraction form
    245,563.20/367,999.20 = 181,886.40/x
  3. Step 3: Cross multiply
    245,563.20x = 367,999.20 × 181,886.40
  4. Step 4: Simplify right side
    245,563.20x = 66,934,049,690.88
  5. Step 5: Solve for x
    x = 66,934,049,690.88/245,563.20
  6. Step 6: Final answer
    x = 272,573.62

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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.