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Finding the Fourth Proportional to 112,446.31, 168,666.57 and 36,544.43

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Solution

The fourth proportional to 112,446.31, 168,666.57 and 36,544.43 is: 54,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,446.31 : 168,666.57 = 36,544.43 : x
  2. Step 2: Convert to fraction form
    112,446.31/168,666.57 = 36,544.43/x
  3. Step 3: Cross multiply
    112,446.31x = 168,666.57 × 36,544.43
  4. Step 4: Simplify right side
    112,446.31x = 6,163,823,216.64
  5. Step 5: Solve for x
    x = 6,163,823,216.64/112,446.31
  6. Step 6: Final answer
    x = 54,815.70

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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.