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Finding the Fourth Proportional to 79,894.35, 110,241.35 and 45,435.43

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Solution

The fourth proportional to 79,894.35, 110,241.35 and 45,435.43 is: 62,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894.35 : 110,241.35 = 45,435.43 : x
  2. Step 2: Convert to fraction form
    79,894.35/110,241.35 = 45,435.43/x
  3. Step 3: Cross multiply
    79,894.35x = 110,241.35 × 45,435.43
  4. Step 4: Simplify right side
    79,894.35x = 5,008,863,477.61
  5. Step 5: Solve for x
    x = 5,008,863,477.61/79,894.35
  6. Step 6: Final answer
    x = 62,693.59

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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.