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Finding the Fourth Proportional to 132,651, 183,180.01 and 84,268.55

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Solution

The fourth proportional to 132,651, 183,180.01 and 84,268.55 is: 116,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,651 : 183,180.01 = 84,268.55 : x
  2. Step 2: Convert to fraction form
    132,651/183,180.01 = 84,268.55/x
  3. Step 3: Cross multiply
    132,651x = 183,180.01 × 84,268.55
  4. Step 4: Simplify right side
    132,651x = 15,436,313,831.69
  5. Step 5: Solve for x
    x = 15,436,313,831.69/132,651
  6. Step 6: Final answer
    x = 116,367.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.