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Finding the Fourth Proportional to 125,579.53, 188,354.37 and 41,318.80

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Solution

The fourth proportional to 125,579.53, 188,354.37 and 41,318.80 is: 61,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,579.53 : 188,354.37 = 41,318.80 : x
  2. Step 2: Convert to fraction form
    125,579.53/188,354.37 = 41,318.80/x
  3. Step 3: Cross multiply
    125,579.53x = 188,354.37 × 41,318.80
  4. Step 4: Simplify right side
    125,579.53x = 7,782,575,601.38
  5. Step 5: Solve for x
    x = 7,782,575,601.38/125,579.53
  6. Step 6: Final answer
    x = 61,973.28

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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.