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Finding the Fourth Proportional to 76,424.52, 105,478.38 and 44,593.34

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Solution

The fourth proportional to 76,424.52, 105,478.38 and 44,593.34 is: 61,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,424.52 : 105,478.38 = 44,593.34 : x
  2. Step 2: Convert to fraction form
    76,424.52/105,478.38 = 44,593.34/x
  3. Step 3: Cross multiply
    76,424.52x = 105,478.38 × 44,593.34
  4. Step 4: Simplify right side
    76,424.52x = 4,703,632,734.60
  5. Step 5: Solve for x
    x = 4,703,632,734.60/76,424.52
  6. Step 6: Final answer
    x = 61,546.12

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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.