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Finding the Fourth Proportional to 124,883, 187,324.68 and 51,011

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Solution

The fourth proportional to 124,883, 187,324.68 and 51,011 is: 76,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,883 : 187,324.68 = 51,011 : x
  2. Step 2: Convert to fraction form
    124,883/187,324.68 = 51,011/x
  3. Step 3: Cross multiply
    124,883x = 187,324.68 × 51,011
  4. Step 4: Simplify right side
    124,883x = 9,555,619,251.48
  5. Step 5: Solve for x
    x = 9,555,619,251.48/124,883
  6. Step 6: Final answer
    x = 76,516.57

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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.