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Finding the Fourth Proportional to 112,574.40, 168,895.44 and 33,691.20

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Solution

The fourth proportional to 112,574.40, 168,895.44 and 33,691.20 is: 50,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,574.40 : 168,895.44 = 33,691.20 : x
  2. Step 2: Convert to fraction form
    112,574.40/168,895.44 = 33,691.20/x
  3. Step 3: Cross multiply
    112,574.40x = 168,895.44 × 33,691.20
  4. Step 4: Simplify right side
    112,574.40x = 5,690,290,048.13
  5. Step 5: Solve for x
    x = 5,690,290,048.13/112,574.40
  6. Step 6: Final answer
    x = 50,546.93

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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.