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Finding the Fourth Proportional to 173,914.80, 260,908.20 and 55,570.80

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Solution

The fourth proportional to 173,914.80, 260,908.20 and 55,570.80 is: 83,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,914.80 : 260,908.20 = 55,570.80 : x
  2. Step 2: Convert to fraction form
    173,914.80/260,908.20 = 55,570.80/x
  3. Step 3: Cross multiply
    173,914.80x = 260,908.20 × 55,570.80
  4. Step 4: Simplify right side
    173,914.80x = 14,498,877,400.56
  5. Step 5: Solve for x
    x = 14,498,877,400.56/173,914.80
  6. Step 6: Final answer
    x = 83,367.70

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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.