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Finding the Fourth Proportional to 110,216.40, 165,324.60 and 48,008.40

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Solution

The fourth proportional to 110,216.40, 165,324.60 and 48,008.40 is: 72,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,216.40 : 165,324.60 = 48,008.40 : x
  2. Step 2: Convert to fraction form
    110,216.40/165,324.60 = 48,008.40/x
  3. Step 3: Cross multiply
    110,216.40x = 165,324.60 × 48,008.40
  4. Step 4: Simplify right side
    110,216.40x = 7,936,969,526.64
  5. Step 5: Solve for x
    x = 7,936,969,526.64/110,216.40
  6. Step 6: Final answer
    x = 72,012.60

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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.