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Finding the Fourth Proportional to 79,967.61, 110,355.30 and 44,157.69

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Solution

The fourth proportional to 79,967.61, 110,355.30 and 44,157.69 is: 60,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,967.61 : 110,355.30 = 44,157.69 : x
  2. Step 2: Convert to fraction form
    79,967.61/110,355.30 = 44,157.69/x
  3. Step 3: Cross multiply
    79,967.61x = 110,355.30 × 44,157.69
  4. Step 4: Simplify right side
    79,967.61x = 4,873,035,127.26
  5. Step 5: Solve for x
    x = 4,873,035,127.26/79,967.61
  6. Step 6: Final answer
    x = 60,937.61

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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.