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Finding the Fourth Proportional to 112,561.95, 168,873.65 and 37,694.43

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Solution

The fourth proportional to 112,561.95, 168,873.65 and 37,694.43 is: 56,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,561.95 : 168,873.65 = 37,694.43 : x
  2. Step 2: Convert to fraction form
    112,561.95/168,873.65 = 37,694.43/x
  3. Step 3: Cross multiply
    112,561.95x = 168,873.65 × 37,694.43
  4. Step 4: Simplify right side
    112,561.95x = 6,365,595,790.30
  5. Step 5: Solve for x
    x = 6,365,595,790.30/112,561.95
  6. Step 6: Final answer
    x = 56,551.93

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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.