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Finding the Fourth Proportional to 79,809.34, 110,137.66 and 44,000.66

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Solution

The fourth proportional to 79,809.34, 110,137.66 and 44,000.66 is: 60,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,809.34 : 110,137.66 = 44,000.66 : x
  2. Step 2: Convert to fraction form
    79,809.34/110,137.66 = 44,000.66/x
  3. Step 3: Cross multiply
    79,809.34x = 110,137.66 × 44,000.66
  4. Step 4: Simplify right side
    79,809.34x = 4,846,129,730.86
  5. Step 5: Solve for x
    x = 4,846,129,730.86/79,809.34
  6. Step 6: Final answer
    x = 60,721.34

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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.