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Finding the Fourth Proportional to 125,915.81, 188,894.23 and 37,178.29

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Solution

The fourth proportional to 125,915.81, 188,894.23 and 37,178.29 is: 55,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,915.81 : 188,894.23 = 37,178.29 : x
  2. Step 2: Convert to fraction form
    125,915.81/188,894.23 = 37,178.29/x
  3. Step 3: Cross multiply
    125,915.81x = 188,894.23 × 37,178.29
  4. Step 4: Simplify right side
    125,915.81x = 7,022,764,462.27
  5. Step 5: Solve for x
    x = 7,022,764,462.27/125,915.81
  6. Step 6: Final answer
    x = 55,773.49

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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.