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Finding the Fourth Proportional to 69,690.06, 103,797.47 and 69,350.24

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Solution

The fourth proportional to 69,690.06, 103,797.47 and 69,350.24 is: 103,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.06 : 103,797.47 = 69,350.24 : x
  2. Step 2: Convert to fraction form
    69,690.06/103,797.47 = 69,350.24/x
  3. Step 3: Cross multiply
    69,690.06x = 103,797.47 × 69,350.24
  4. Step 4: Simplify right side
    69,690.06x = 7,198,379,455.89
  5. Step 5: Solve for x
    x = 7,198,379,455.89/69,690.06
  6. Step 6: Final answer
    x = 103,291.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.