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Finding the Fourth Proportional to 125,234.60, 187,933.32 and 54,226.58

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Solution

The fourth proportional to 125,234.60, 187,933.32 and 54,226.58 is: 81,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,234.60 : 187,933.32 = 54,226.58 : x
  2. Step 2: Convert to fraction form
    125,234.60/187,933.32 = 54,226.58/x
  3. Step 3: Cross multiply
    125,234.60x = 187,933.32 × 54,226.58
  4. Step 4: Simplify right side
    125,234.60x = 10,190,980,271.98
  5. Step 5: Solve for x
    x = 10,190,980,271.98/125,234.60
  6. Step 6: Final answer
    x = 81,375.12

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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.