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Finding the Fourth Proportional to 112,033.40, 168,079.80 and 48,826.40

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Solution

The fourth proportional to 112,033.40, 168,079.80 and 48,826.40 is: 73,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,033.40 : 168,079.80 = 48,826.40 : x
  2. Step 2: Convert to fraction form
    112,033.40/168,079.80 = 48,826.40/x
  3. Step 3: Cross multiply
    112,033.40x = 168,079.80 × 48,826.40
  4. Step 4: Simplify right side
    112,033.40x = 8,206,731,546.72
  5. Step 5: Solve for x
    x = 8,206,731,546.72/112,033.40
  6. Step 6: Final answer
    x = 73,252.54

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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.