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Finding the Fourth Proportional to 183,103, 252,660.87 and 106,638.81

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Solution

The fourth proportional to 183,103, 252,660.87 and 106,638.81 is: 147,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,103 : 252,660.87 = 106,638.81 : x
  2. Step 2: Convert to fraction form
    183,103/252,660.87 = 106,638.81/x
  3. Step 3: Cross multiply
    183,103x = 252,660.87 × 106,638.81
  4. Step 4: Simplify right side
    183,103x = 26,943,454,510.36
  5. Step 5: Solve for x
    x = 26,943,454,510.36/183,103
  6. Step 6: Final answer
    x = 147,149.17

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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.