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Finding the Fourth Proportional to 79,516.92, 109,733.59 and 43,710.60

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Solution

The fourth proportional to 79,516.92, 109,733.59 and 43,710.60 is: 60,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.92 : 109,733.59 = 43,710.60 : x
  2. Step 2: Convert to fraction form
    79,516.92/109,733.59 = 43,710.60/x
  3. Step 3: Cross multiply
    79,516.92x = 109,733.59 × 43,710.60
  4. Step 4: Simplify right side
    79,516.92x = 4,796,520,840.50
  5. Step 5: Solve for x
    x = 4,796,520,840.50/79,516.92
  6. Step 6: Final answer
    x = 60,320.76

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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.