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Finding the Fourth Proportional to 112,475.54, 168,713.51 and 33,583.56

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Solution

The fourth proportional to 112,475.54, 168,713.51 and 33,583.56 is: 50,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,475.54 : 168,713.51 = 33,583.56 : x
  2. Step 2: Convert to fraction form
    112,475.54/168,713.51 = 33,583.56/x
  3. Step 3: Cross multiply
    112,475.54x = 168,713.51 × 33,583.56
  4. Step 4: Simplify right side
    112,475.54x = 5,666,000,117.98
  5. Step 5: Solve for x
    x = 5,666,000,117.98/112,475.54
  6. Step 6: Final answer
    x = 50,375.40

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1.5x scale

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.