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Finding the Fourth Proportional to 78,593.47, 108,470.19 and 44,610.37

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Solution

The fourth proportional to 78,593.47, 108,470.19 and 44,610.37 is: 61,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,593.47 : 108,470.19 = 44,610.37 : x
  2. Step 2: Convert to fraction form
    78,593.47/108,470.19 = 44,610.37/x
  3. Step 3: Cross multiply
    78,593.47x = 108,470.19 × 44,610.37
  4. Step 4: Simplify right side
    78,593.47x = 4,838,895,309.87
  5. Step 5: Solve for x
    x = 4,838,895,309.87/78,593.47
  6. Step 6: Final answer
    x = 61,568.67

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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.