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Finding the Fourth Proportional to 104,096.84, 143,645.27 and 58,785.84

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Solution

The fourth proportional to 104,096.84, 143,645.27 and 58,785.84 is: 81,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,096.84 : 143,645.27 = 58,785.84 : x
  2. Step 2: Convert to fraction form
    104,096.84/143,645.27 = 58,785.84/x
  3. Step 3: Cross multiply
    104,096.84x = 143,645.27 × 58,785.84
  4. Step 4: Simplify right side
    104,096.84x = 8,444,307,565.05
  5. Step 5: Solve for x
    x = 8,444,307,565.05/104,096.84
  6. Step 6: Final answer
    x = 81,119.73

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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.