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Finding the Fourth Proportional to 110,679.54, 165,961.67 and 39,574.77

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Solution

The fourth proportional to 110,679.54, 165,961.67 and 39,574.77 is: 59,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,679.54 : 165,961.67 = 39,574.77 : x
  2. Step 2: Convert to fraction form
    110,679.54/165,961.67 = 39,574.77/x
  3. Step 3: Cross multiply
    110,679.54x = 165,961.67 × 39,574.77
  4. Step 4: Simplify right side
    110,679.54x = 6,567,894,721.19
  5. Step 5: Solve for x
    x = 6,567,894,721.19/110,679.54
  6. Step 6: Final answer
    x = 59,341.54

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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.