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Finding the Fourth Proportional to 243,674.35, 365,573.79 and 93,874.48

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Solution

The fourth proportional to 243,674.35, 365,573.79 and 93,874.48 is: 140,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,674.35 : 365,573.79 = 93,874.48 : x
  2. Step 2: Convert to fraction form
    243,674.35/365,573.79 = 93,874.48/x
  3. Step 3: Cross multiply
    243,674.35x = 365,573.79 × 93,874.48
  4. Step 4: Simplify right side
    243,674.35x = 34,318,048,523.94
  5. Step 5: Solve for x
    x = 34,318,048,523.94/243,674.35
  6. Step 6: Final answer
    x = 140,835.71

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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.