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Finding the Fourth Proportional to 125,611.63, 188,406.47 and 41,371.16

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Solution

The fourth proportional to 125,611.63, 188,406.47 and 41,371.16 is: 62,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,611.63 : 188,406.47 = 41,371.16 : x
  2. Step 2: Convert to fraction form
    125,611.63/188,406.47 = 41,371.16/x
  3. Step 3: Cross multiply
    125,611.63x = 188,406.47 × 41,371.16
  4. Step 4: Simplify right side
    125,611.63x = 7,794,593,376.80
  5. Step 5: Solve for x
    x = 7,794,593,376.80/125,611.63
  6. Step 6: Final answer
    x = 62,053.12

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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.