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Finding the Fourth Proportional to 79,516.98, 109,733.70 and 43,710.66

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Solution

The fourth proportional to 79,516.98, 109,733.70 and 43,710.66 is: 60,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.98 : 109,733.70 = 43,710.66 : x
  2. Step 2: Convert to fraction form
    79,516.98/109,733.70 = 43,710.66/x
  3. Step 3: Cross multiply
    79,516.98x = 109,733.70 × 43,710.66
  4. Step 4: Simplify right side
    79,516.98x = 4,796,532,451.24
  5. Step 5: Solve for x
    x = 4,796,532,451.24/79,516.98
  6. Step 6: Final answer
    x = 60,320.86

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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.