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Finding the Fourth Proportional to 110,042.28, 165,074.36 and 39,927.06

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Solution

The fourth proportional to 110,042.28, 165,074.36 and 39,927.06 is: 59,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,042.28 : 165,074.36 = 39,927.06 : x
  2. Step 2: Convert to fraction form
    110,042.28/165,074.36 = 39,927.06/x
  3. Step 3: Cross multiply
    110,042.28x = 165,074.36 × 39,927.06
  4. Step 4: Simplify right side
    110,042.28x = 6,590,933,676.55
  5. Step 5: Solve for x
    x = 6,590,933,676.55/110,042.28
  6. Step 6: Final answer
    x = 59,894.56

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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.