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Finding the Fourth Proportional to 112,626.42, 168,977.16 and 37,753.98

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Solution

The fourth proportional to 112,626.42, 168,977.16 and 37,753.98 is: 56,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,626.42 : 168,977.16 = 37,753.98 : x
  2. Step 2: Convert to fraction form
    112,626.42/168,977.16 = 37,753.98/x
  3. Step 3: Cross multiply
    112,626.42x = 168,977.16 × 37,753.98
  4. Step 4: Simplify right side
    112,626.42x = 6,379,560,319.10
  5. Step 5: Solve for x
    x = 6,379,560,319.10/112,626.42
  6. Step 6: Final answer
    x = 56,643.55

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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.