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Finding the Fourth Proportional to 75,994.61, 104,866.65 and 44,165.86

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Solution

The fourth proportional to 75,994.61, 104,866.65 and 44,165.86 is: 60,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,994.61 : 104,866.65 = 44,165.86 : x
  2. Step 2: Convert to fraction form
    75,994.61/104,866.65 = 44,165.86/x
  3. Step 3: Cross multiply
    75,994.61x = 104,866.65 × 44,165.86
  4. Step 4: Simplify right side
    75,994.61x = 4,631,525,520.40
  5. Step 5: Solve for x
    x = 4,631,525,520.40/75,994.61
  6. Step 6: Final answer
    x = 60,945.45

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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.