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Finding the Fourth Proportional to 125,588.31, 188,367.54 and 41,327.58

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Solution

The fourth proportional to 125,588.31, 188,367.54 and 41,327.58 is: 61,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,588.31 : 188,367.54 = 41,327.58 : x
  2. Step 2: Convert to fraction form
    125,588.31/188,367.54 = 41,327.58/x
  3. Step 3: Cross multiply
    125,588.31x = 188,367.54 × 41,327.58
  4. Step 4: Simplify right side
    125,588.31x = 7,784,774,578.75
  5. Step 5: Solve for x
    x = 7,784,774,578.75/125,588.31
  6. Step 6: Final answer
    x = 61,986.46

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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.