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Finding the Fourth Proportional to 79,794.63, 110,116.95 and 43,983.87

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Solution

The fourth proportional to 79,794.63, 110,116.95 and 43,983.87 is: 60,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.63 : 110,116.95 = 43,983.87 : x
  2. Step 2: Convert to fraction form
    79,794.63/110,116.95 = 43,983.87/x
  3. Step 3: Cross multiply
    79,794.63x = 110,116.95 × 43,983.87
  4. Step 4: Simplify right side
    79,794.63x = 4,843,369,613.60
  5. Step 5: Solve for x
    x = 4,843,369,613.60/79,794.63
  6. Step 6: Final answer
    x = 60,697.94

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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.