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Finding the Fourth Proportional to 103,884.54, 143,352.08 and 58,573.67

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Solution

The fourth proportional to 103,884.54, 143,352.08 and 58,573.67 is: 80,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,884.54 : 143,352.08 = 58,573.67 : x
  2. Step 2: Convert to fraction form
    103,884.54/143,352.08 = 58,573.67/x
  3. Step 3: Cross multiply
    103,884.54x = 143,352.08 × 58,573.67
  4. Step 4: Simplify right side
    103,884.54x = 8,396,656,637.76
  5. Step 5: Solve for x
    x = 8,396,656,637.76/103,884.54
  6. Step 6: Final answer
    x = 80,826.81

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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.