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Finding the Fourth Proportional to 125,891.63, 188,855.88 and 37,133.58

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Solution

The fourth proportional to 125,891.63, 188,855.88 and 37,133.58 is: 55,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,891.63 : 188,855.88 = 37,133.58 : x
  2. Step 2: Convert to fraction form
    125,891.63/188,855.88 = 37,133.58/x
  3. Step 3: Cross multiply
    125,891.63x = 188,855.88 × 37,133.58
  4. Step 4: Simplify right side
    125,891.63x = 7,012,894,928.45
  5. Step 5: Solve for x
    x = 7,012,894,928.45/125,891.63
  6. Step 6: Final answer
    x = 55,705.81

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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.