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Finding the Fourth Proportional to 173,379.84, 260,043.20 and 55,035.84

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Solution

The fourth proportional to 173,379.84, 260,043.20 and 55,035.84 is: 82,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,379.84 : 260,043.20 = 55,035.84 : x
  2. Step 2: Convert to fraction form
    173,379.84/260,043.20 = 55,035.84/x
  3. Step 3: Cross multiply
    173,379.84x = 260,043.20 × 55,035.84
  4. Step 4: Simplify right side
    173,379.84x = 14,311,695,948.29
  5. Step 5: Solve for x
    x = 14,311,695,948.29/173,379.84
  6. Step 6: Final answer
    x = 82,545.33

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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.