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Finding the Fourth Proportional to 173,521.76, 260,282.64 and 55,193.12

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Solution

The fourth proportional to 173,521.76, 260,282.64 and 55,193.12 is: 82,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521.76 : 260,282.64 = 55,193.12 : x
  2. Step 2: Convert to fraction form
    173,521.76/260,282.64 = 55,193.12/x
  3. Step 3: Cross multiply
    173,521.76x = 260,282.64 × 55,193.12
  4. Step 4: Simplify right side
    173,521.76x = 14,365,810,983.44
  5. Step 5: Solve for x
    x = 14,365,810,983.44/173,521.76
  6. Step 6: Final answer
    x = 82,789.68

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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.