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Finding the Fourth Proportional to 132,707, 183,135.66 and 73,091

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Solution

The fourth proportional to 132,707, 183,135.66 and 73,091 is: 100,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,707 : 183,135.66 = 73,091 : x
  2. Step 2: Convert to fraction form
    132,707/183,135.66 = 73,091/x
  3. Step 3: Cross multiply
    132,707x = 183,135.66 × 73,091
  4. Step 4: Simplify right side
    132,707x = 13,385,568,525.06
  5. Step 5: Solve for x
    x = 13,385,568,525.06/132,707
  6. Step 6: Final answer
    x = 100,865.58

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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.