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Finding the Fourth Proportional to 84,673.74, 126,984.68 and 58,546.38

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Solution

The fourth proportional to 84,673.74, 126,984.68 and 58,546.38 is: 87,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,673.74 : 126,984.68 = 58,546.38 : x
  2. Step 2: Convert to fraction form
    84,673.74/126,984.68 = 58,546.38/x
  3. Step 3: Cross multiply
    84,673.74x = 126,984.68 × 58,546.38
  4. Step 4: Simplify right side
    84,673.74x = 7,434,493,329.46
  5. Step 5: Solve for x
    x = 7,434,493,329.46/84,673.74
  6. Step 6: Final answer
    x = 87,801.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.