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Finding the Fourth Proportional to 76,693.33, 105,835.77 and 44,432.34

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Solution

The fourth proportional to 76,693.33, 105,835.77 and 44,432.34 is: 61,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,693.33 : 105,835.77 = 44,432.34 : x
  2. Step 2: Convert to fraction form
    76,693.33/105,835.77 = 44,432.34/x
  3. Step 3: Cross multiply
    76,693.33x = 105,835.77 × 44,432.34
  4. Step 4: Simplify right side
    76,693.33x = 4,702,530,916.80
  5. Step 5: Solve for x
    x = 4,702,530,916.80/76,693.33
  6. Step 6: Final answer
    x = 61,316.04

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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.