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Finding the Fourth Proportional to 132,813.57, 183,462.22 and 106,143.01

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Solution

The fourth proportional to 132,813.57, 183,462.22 and 106,143.01 is: 146,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,813.57 : 183,462.22 = 106,143.01 : x
  2. Step 2: Convert to fraction form
    132,813.57/183,462.22 = 106,143.01/x
  3. Step 3: Cross multiply
    132,813.57x = 183,462.22 × 106,143.01
  4. Step 4: Simplify right side
    132,813.57x = 19,473,231,721.37
  5. Step 5: Solve for x
    x = 19,473,231,721.37/132,813.57
  6. Step 6: Final answer
    x = 146,620.80

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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.