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Finding the Fourth Proportional to 76,181.83, 105,143.75 and 44,369.62

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Solution

The fourth proportional to 76,181.83, 105,143.75 and 44,369.62 is: 61,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.83 : 105,143.75 = 44,369.62 : x
  2. Step 2: Convert to fraction form
    76,181.83/105,143.75 = 44,369.62/x
  3. Step 3: Cross multiply
    76,181.83x = 105,143.75 × 44,369.62
  4. Step 4: Simplify right side
    76,181.83x = 4,665,188,011.03
  5. Step 5: Solve for x
    x = 4,665,188,011.03/76,181.83
  6. Step 6: Final answer
    x = 61,237.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.