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Finding the Fourth Proportional to 125,532.75, 188,300.67 and 36,788.07

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Solution

The fourth proportional to 125,532.75, 188,300.67 and 36,788.07 is: 55,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,532.75 : 188,300.67 = 36,788.07 : x
  2. Step 2: Convert to fraction form
    125,532.75/188,300.67 = 36,788.07/x
  3. Step 3: Cross multiply
    125,532.75x = 188,300.67 × 36,788.07
  4. Step 4: Simplify right side
    125,532.75x = 6,927,218,229.01
  5. Step 5: Solve for x
    x = 6,927,218,229.01/125,532.75
  6. Step 6: Final answer
    x = 55,182.56

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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.