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Finding the Fourth Proportional to 110,810.20, 166,215.30 and 35,930.20

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Solution

The fourth proportional to 110,810.20, 166,215.30 and 35,930.20 is: 53,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,810.20 : 166,215.30 = 35,930.20 : x
  2. Step 2: Convert to fraction form
    110,810.20/166,215.30 = 35,930.20/x
  3. Step 3: Cross multiply
    110,810.20x = 166,215.30 × 35,930.20
  4. Step 4: Simplify right side
    110,810.20x = 5,972,148,972.06
  5. Step 5: Solve for x
    x = 5,972,148,972.06/110,810.20
  6. Step 6: Final answer
    x = 53,895.30

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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.