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Finding the Fourth Proportional to 173,235.80, 259,861.80 and 54,916.40

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Solution

The fourth proportional to 173,235.80, 259,861.80 and 54,916.40 is: 82,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,235.80 : 259,861.80 = 54,916.40 : x
  2. Step 2: Convert to fraction form
    173,235.80/259,861.80 = 54,916.40/x
  3. Step 3: Cross multiply
    173,235.80x = 259,861.80 × 54,916.40
  4. Step 4: Simplify right side
    173,235.80x = 14,270,674,553.52
  5. Step 5: Solve for x
    x = 14,270,674,553.52/173,235.80
  6. Step 6: Final answer
    x = 82,377.17

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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.