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Finding the Fourth Proportional to 125,358.94, 188,055.96 and 36,618.94

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Solution

The fourth proportional to 125,358.94, 188,055.96 and 36,618.94 is: 54,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,358.94 : 188,055.96 = 36,618.94 : x
  2. Step 2: Convert to fraction form
    125,358.94/188,055.96 = 36,618.94/x
  3. Step 3: Cross multiply
    125,358.94x = 188,055.96 × 36,618.94
  4. Step 4: Simplify right side
    125,358.94x = 6,886,409,915.88
  5. Step 5: Solve for x
    x = 6,886,409,915.88/125,358.94
  6. Step 6: Final answer
    x = 54,933.54

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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.