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Finding the Fourth Proportional to 79,732.64, 110,031.12 and 43,922.67

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Solution

The fourth proportional to 79,732.64, 110,031.12 and 43,922.67 is: 60,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,732.64 : 110,031.12 = 43,922.67 : x
  2. Step 2: Convert to fraction form
    79,732.64/110,031.12 = 43,922.67/x
  3. Step 3: Cross multiply
    79,732.64x = 110,031.12 × 43,922.67
  4. Step 4: Simplify right side
    79,732.64x = 4,832,860,573.49
  5. Step 5: Solve for x
    x = 4,832,860,573.49/79,732.64
  6. Step 6: Final answer
    x = 60,613.33

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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.