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Finding the Fourth Proportional to 162,589.89, 243,889.15 and 44,263.65

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Solution

The fourth proportional to 162,589.89, 243,889.15 and 44,263.65 is: 66,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,589.89 : 243,889.15 = 44,263.65 : x
  2. Step 2: Convert to fraction form
    162,589.89/243,889.15 = 44,263.65/x
  3. Step 3: Cross multiply
    162,589.89x = 243,889.15 × 44,263.65
  4. Step 4: Simplify right side
    162,589.89x = 10,795,423,753.08
  5. Step 5: Solve for x
    x = 10,795,423,753.08/162,589.89
  6. Step 6: Final answer
    x = 66,396.65

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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.