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Finding the Fourth Proportional to 112,626, 168,804.18 and 52,573.68

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Solution

The fourth proportional to 112,626, 168,804.18 and 52,573.68 is: 78,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,626 : 168,804.18 = 52,573.68 : x
  2. Step 2: Convert to fraction form
    112,626/168,804.18 = 52,573.68/x
  3. Step 3: Cross multiply
    112,626x = 168,804.18 × 52,573.68
  4. Step 4: Simplify right side
    112,626x = 8,874,656,941.98
  5. Step 5: Solve for x
    x = 8,874,656,941.98/112,626
  6. Step 6: Final answer
    x = 78,797.59

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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.