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Finding the Fourth Proportional to 124,464, 186,696 and 36,912

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Solution

The fourth proportional to 124,464, 186,696 and 36,912 is: 55,368

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,464 : 186,696 = 36,912 : x
  2. Step 2: Convert to fraction form
    124,464/186,696 = 36,912/x
  3. Step 3: Cross multiply
    124,464x = 186,696 × 36,912
  4. Step 4: Simplify right side
    124,464x = 6,891,322,752
  5. Step 5: Solve for x
    x = 6,891,322,752/124,464
  6. Step 6: Final answer
    x = 55,368

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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.