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Finding the Fourth Proportional to 124,243, 186,393.66 and 41,137

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Solution

The fourth proportional to 124,243, 186,393.66 and 41,137 is: 61,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,243 : 186,393.66 = 41,137 : x
  2. Step 2: Convert to fraction form
    124,243/186,393.66 = 41,137/x
  3. Step 3: Cross multiply
    124,243x = 186,393.66 × 41,137
  4. Step 4: Simplify right side
    124,243x = 7,667,675,991.42
  5. Step 5: Solve for x
    x = 7,667,675,991.42/124,243
  6. Step 6: Final answer
    x = 61,715.15

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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.