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Finding the Fourth Proportional to 125,873.81, 188,745.78 and 37,115.78

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Solution

The fourth proportional to 125,873.81, 188,745.78 and 37,115.78 is: 55,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,873.81 : 188,745.78 = 37,115.78 : x
  2. Step 2: Convert to fraction form
    125,873.81/188,745.78 = 37,115.78/x
  3. Step 3: Cross multiply
    125,873.81x = 188,745.78 × 37,115.78
  4. Step 4: Simplify right side
    125,873.81x = 7,005,445,763.50
  5. Step 5: Solve for x
    x = 7,005,445,763.50/125,873.81
  6. Step 6: Final answer
    x = 55,654.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.