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Finding the Fourth Proportional to 124,821.94, 187,194.03 and 41,696.50

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Solution

The fourth proportional to 124,821.94, 187,194.03 and 41,696.50 is: 62,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821.94 : 187,194.03 = 41,696.50 : x
  2. Step 2: Convert to fraction form
    124,821.94/187,194.03 = 41,696.50/x
  3. Step 3: Cross multiply
    124,821.94x = 187,194.03 × 41,696.50
  4. Step 4: Simplify right side
    124,821.94x = 7,805,335,871.90
  5. Step 5: Solve for x
    x = 7,805,335,871.90/124,821.94
  6. Step 6: Final answer
    x = 62,531.76

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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.