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Finding the Fourth Proportional to 69,373.80, 104,055.35 and 19,451.25

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Solution

The fourth proportional to 69,373.80, 104,055.35 and 19,451.25 is: 29,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,373.80 : 104,055.35 = 19,451.25 : x
  2. Step 2: Convert to fraction form
    69,373.80/104,055.35 = 19,451.25/x
  3. Step 3: Cross multiply
    69,373.80x = 104,055.35 × 19,451.25
  4. Step 4: Simplify right side
    69,373.80x = 2,024,006,529.43
  5. Step 5: Solve for x
    x = 2,024,006,529.43/69,373.80
  6. Step 6: Final answer
    x = 29,175.37

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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.