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Finding the Fourth Proportional to 79,970.86, 110,359.76 and 44,160.94

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Solution

The fourth proportional to 79,970.86, 110,359.76 and 44,160.94 is: 60,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,970.86 : 110,359.76 = 44,160.94 : x
  2. Step 2: Convert to fraction form
    79,970.86/110,359.76 = 44,160.94/x
  3. Step 3: Cross multiply
    79,970.86x = 110,359.76 × 44,160.94
  4. Step 4: Simplify right side
    79,970.86x = 4,873,590,739.77
  5. Step 5: Solve for x
    x = 4,873,590,739.77/79,970.86
  6. Step 6: Final answer
    x = 60,942.08

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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.