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Finding the Fourth Proportional to 234,536.64, 323,661.72 and 127,106.69

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Solution

The fourth proportional to 234,536.64, 323,661.72 and 127,106.69 is: 175,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,536.64 : 323,661.72 = 127,106.69 : x
  2. Step 2: Convert to fraction form
    234,536.64/323,661.72 = 127,106.69/x
  3. Step 3: Cross multiply
    234,536.64x = 323,661.72 × 127,106.69
  4. Step 4: Simplify right side
    234,536.64x = 41,139,568,290.60
  5. Step 5: Solve for x
    x = 41,139,568,290.60/234,536.64
  6. Step 6: Final answer
    x = 175,407.85

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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.