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Finding the Fourth Proportional to 124,684.88, 187,039.80 and 35,940.56

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Solution

The fourth proportional to 124,684.88, 187,039.80 and 35,940.56 is: 53,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,684.88 : 187,039.80 = 35,940.56 : x
  2. Step 2: Convert to fraction form
    124,684.88/187,039.80 = 35,940.56/x
  3. Step 3: Cross multiply
    124,684.88x = 187,039.80 × 35,940.56
  4. Step 4: Simplify right side
    124,684.88x = 6,722,315,154.29
  5. Step 5: Solve for x
    x = 6,722,315,154.29/124,684.88
  6. Step 6: Final answer
    x = 53,914.44

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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.