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Finding the Fourth Proportional to 112,496.40, 168,550.20 and 73,033.20

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Solution

The fourth proportional to 112,496.40, 168,550.20 and 73,033.20 is: 109,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,496.40 : 168,550.20 = 73,033.20 : x
  2. Step 2: Convert to fraction form
    112,496.40/168,550.20 = 73,033.20/x
  3. Step 3: Cross multiply
    112,496.40x = 168,550.20 × 73,033.20
  4. Step 4: Simplify right side
    112,496.40x = 12,309,760,466.64
  5. Step 5: Solve for x
    x = 12,309,760,466.64/112,496.40
  6. Step 6: Final answer
    x = 109,423.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.