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Finding the Fourth Proportional to 125,693.82, 188,495.37 and 36,923.58

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Solution

The fourth proportional to 125,693.82, 188,495.37 and 36,923.58 is: 55,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.82 : 188,495.37 = 36,923.58 : x
  2. Step 2: Convert to fraction form
    125,693.82/188,495.37 = 36,923.58/x
  3. Step 3: Cross multiply
    125,693.82x = 188,495.37 × 36,923.58
  4. Step 4: Simplify right side
    125,693.82x = 6,959,923,873.82
  5. Step 5: Solve for x
    x = 6,959,923,873.82/125,693.82
  6. Step 6: Final answer
    x = 55,372.05

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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.