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Finding the Fourth Proportional to 125,889.75, 188,853.07 and 37,131.71

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Solution

The fourth proportional to 125,889.75, 188,853.07 and 37,131.71 is: 55,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,889.75 : 188,853.07 = 37,131.71 : x
  2. Step 2: Convert to fraction form
    125,889.75/188,853.07 = 37,131.71/x
  3. Step 3: Cross multiply
    125,889.75x = 188,853.07 × 37,131.71
  4. Step 4: Simplify right side
    125,889.75x = 7,012,436,390.76
  5. Step 5: Solve for x
    x = 7,012,436,390.76/125,889.75
  6. Step 6: Final answer
    x = 55,703.00

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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.