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Finding the Fourth Proportional to 124,951, 187,452.42 and 51,079

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Solution

The fourth proportional to 124,951, 187,452.42 and 51,079 is: 76,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951 : 187,452.42 = 51,079 : x
  2. Step 2: Convert to fraction form
    124,951/187,452.42 = 51,079/x
  3. Step 3: Cross multiply
    124,951x = 187,452.42 × 51,079
  4. Step 4: Simplify right side
    124,951x = 9,574,882,161.18
  5. Step 5: Solve for x
    x = 9,574,882,161.18/124,951
  6. Step 6: Final answer
    x = 76,629.10

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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.