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Finding the Fourth Proportional to 112,605.42, 168,888.68 and 33,698.46

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Solution

The fourth proportional to 112,605.42, 168,888.68 and 33,698.46 is: 50,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,605.42 : 168,888.68 = 33,698.46 : x
  2. Step 2: Convert to fraction form
    112,605.42/168,888.68 = 33,698.46/x
  3. Step 3: Cross multiply
    112,605.42x = 168,888.68 × 33,698.46
  4. Step 4: Simplify right side
    112,605.42x = 5,691,288,427.43
  5. Step 5: Solve for x
    x = 5,691,288,427.43/112,605.42
  6. Step 6: Final answer
    x = 50,541.87

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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.