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Finding the Fourth Proportional to 69,226.58, 103,847.60 and 21,848.40

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Solution

The fourth proportional to 69,226.58, 103,847.60 and 21,848.40 is: 32,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,226.58 : 103,847.60 = 21,848.40 : x
  2. Step 2: Convert to fraction form
    69,226.58/103,847.60 = 21,848.40/x
  3. Step 3: Cross multiply
    69,226.58x = 103,847.60 × 21,848.40
  4. Step 4: Simplify right side
    69,226.58x = 2,268,903,958.46
  5. Step 5: Solve for x
    x = 2,268,903,958.46/69,226.58
  6. Step 6: Final answer
    x = 32,775.04

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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.