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Finding the Fourth Proportional to 79,823.52, 110,156.76 and 47,992.86

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Solution

The fourth proportional to 79,823.52, 110,156.76 and 47,992.86 is: 66,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,823.52 : 110,156.76 = 47,992.86 : x
  2. Step 2: Convert to fraction form
    79,823.52/110,156.76 = 47,992.86/x
  3. Step 3: Cross multiply
    79,823.52x = 110,156.76 × 47,992.86
  4. Step 4: Simplify right side
    79,823.52x = 5,286,737,960.73
  5. Step 5: Solve for x
    x = 5,286,737,960.73/79,823.52
  6. Step 6: Final answer
    x = 66,230.33

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1.5x scale

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.