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Finding the Fourth Proportional to 72,254.20, 108,308.40 and 32,839.60

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Solution

The fourth proportional to 72,254.20, 108,308.40 and 32,839.60 is: 49,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,254.20 : 108,308.40 = 32,839.60 : x
  2. Step 2: Convert to fraction form
    72,254.20/108,308.40 = 32,839.60/x
  3. Step 3: Cross multiply
    72,254.20x = 108,308.40 × 32,839.60
  4. Step 4: Simplify right side
    72,254.20x = 3,556,804,532.64
  5. Step 5: Solve for x
    x = 3,556,804,532.64/72,254.20
  6. Step 6: Final answer
    x = 49,226.27

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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.