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Finding the Fourth Proportional to 79,166.57, 109,249.90 and 43,358.83

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Solution

The fourth proportional to 79,166.57, 109,249.90 and 43,358.83 is: 59,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.57 : 109,249.90 = 43,358.83 : x
  2. Step 2: Convert to fraction form
    79,166.57/109,249.90 = 43,358.83/x
  3. Step 3: Cross multiply
    79,166.57x = 109,249.90 × 43,358.83
  4. Step 4: Simplify right side
    79,166.57x = 4,736,947,460.10
  5. Step 5: Solve for x
    x = 4,736,947,460.10/79,166.57
  6. Step 6: Final answer
    x = 59,835.20

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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.