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Finding the Fourth Proportional to 104,208.67, 143,806.07 and 58,885.67

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Solution

The fourth proportional to 104,208.67, 143,806.07 and 58,885.67 is: 81,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,208.67 : 143,806.07 = 58,885.67 : x
  2. Step 2: Convert to fraction form
    104,208.67/143,806.07 = 58,885.67/x
  3. Step 3: Cross multiply
    104,208.67x = 143,806.07 × 58,885.67
  4. Step 4: Simplify right side
    104,208.67x = 8,468,116,782.02
  5. Step 5: Solve for x
    x = 8,468,116,782.02/104,208.67
  6. Step 6: Final answer
    x = 81,261.15

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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.