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Finding the Fourth Proportional to 79,336.70, 109,491.58 and 43,533.72

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Solution

The fourth proportional to 79,336.70, 109,491.58 and 43,533.72 is: 60,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,336.70 : 109,491.58 = 43,533.72 : x
  2. Step 2: Convert to fraction form
    79,336.70/109,491.58 = 43,533.72/x
  3. Step 3: Cross multiply
    79,336.70x = 109,491.58 × 43,533.72
  4. Step 4: Simplify right side
    79,336.70x = 4,766,575,786.08
  5. Step 5: Solve for x
    x = 4,766,575,786.08/79,336.70
  6. Step 6: Final answer
    x = 60,080.34

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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.