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Finding the Fourth Proportional to 125,974.44, 188,994.15 and 47,089.26

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Solution

The fourth proportional to 125,974.44, 188,994.15 and 47,089.26 is: 70,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,974.44 : 188,994.15 = 47,089.26 : x
  2. Step 2: Convert to fraction form
    125,974.44/188,994.15 = 47,089.26/x
  3. Step 3: Cross multiply
    125,974.44x = 188,994.15 × 47,089.26
  4. Step 4: Simplify right side
    125,974.44x = 8,899,594,667.83
  5. Step 5: Solve for x
    x = 8,899,594,667.83/125,974.44
  6. Step 6: Final answer
    x = 70,646.03

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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.