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Finding the Fourth Proportional to 55,604.83, 83,411.79 and 16,161.90

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Solution

The fourth proportional to 55,604.83, 83,411.79 and 16,161.90 is: 24,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.83 : 83,411.79 = 16,161.90 : x
  2. Step 2: Convert to fraction form
    55,604.83/83,411.79 = 16,161.90/x
  3. Step 3: Cross multiply
    55,604.83x = 83,411.79 × 16,161.90
  4. Step 4: Simplify right side
    55,604.83x = 1,348,093,008.80
  5. Step 5: Solve for x
    x = 1,348,093,008.80/55,604.83
  6. Step 6: Final answer
    x = 24,244.17

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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.