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Finding the Fourth Proportional to 113,855.63, 170,783.44 and 30,749.63

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Solution

The fourth proportional to 113,855.63, 170,783.44 and 30,749.63 is: 46,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,855.63 : 170,783.44 = 30,749.63 : x
  2. Step 2: Convert to fraction form
    113,855.63/170,783.44 = 30,749.63/x
  3. Step 3: Cross multiply
    113,855.63x = 170,783.44 × 30,749.63
  4. Step 4: Simplify right side
    113,855.63x = 5,251,526,659.34
  5. Step 5: Solve for x
    x = 5,251,526,659.34/113,855.63
  6. Step 6: Final answer
    x = 46,124.44

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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.