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Finding the Fourth Proportional to 112,605.41, 168,888.67 and 33,698.45

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Solution

The fourth proportional to 112,605.41, 168,888.67 and 33,698.45 is: 50,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,605.41 : 168,888.67 = 33,698.45 : x
  2. Step 2: Convert to fraction form
    112,605.41/168,888.67 = 33,698.45/x
  3. Step 3: Cross multiply
    112,605.41x = 168,888.67 × 33,698.45
  4. Step 4: Simplify right side
    112,605.41x = 5,691,286,401.56
  5. Step 5: Solve for x
    x = 5,691,286,401.56/112,605.41
  6. Step 6: Final answer
    x = 50,541.86

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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.