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Finding the Fourth Proportional to 79,173.86, 118,768.55 and 23,014.40

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Solution

The fourth proportional to 79,173.86, 118,768.55 and 23,014.40 is: 34,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173.86 : 118,768.55 = 23,014.40 : x
  2. Step 2: Convert to fraction form
    79,173.86/118,768.55 = 23,014.40/x
  3. Step 3: Cross multiply
    79,173.86x = 118,768.55 × 23,014.40
  4. Step 4: Simplify right side
    79,173.86x = 2,733,386,208.21
  5. Step 5: Solve for x
    x = 2,733,386,208.21/79,173.86
  6. Step 6: Final answer
    x = 34,523.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.