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Finding the Fourth Proportional to 69,254.80, 103,867.80 and 29,813.20

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Solution

The fourth proportional to 69,254.80, 103,867.80 and 29,813.20 is: 44,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,254.80 : 103,867.80 = 29,813.20 : x
  2. Step 2: Convert to fraction form
    69,254.80/103,867.80 = 29,813.20/x
  3. Step 3: Cross multiply
    69,254.80x = 103,867.80 × 29,813.20
  4. Step 4: Simplify right side
    69,254.80x = 3,096,631,494.96
  5. Step 5: Solve for x
    x = 3,096,631,494.96/69,254.80
  6. Step 6: Final answer
    x = 44,713.60

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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.