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Finding the Fourth Proportional to 173,830.62, 260,786.37 and 53,881.21

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Solution

The fourth proportional to 173,830.62, 260,786.37 and 53,881.21 is: 80,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,830.62 : 260,786.37 = 53,881.21 : x
  2. Step 2: Convert to fraction form
    173,830.62/260,786.37 = 53,881.21/x
  3. Step 3: Cross multiply
    173,830.62x = 260,786.37 × 53,881.21
  4. Step 4: Simplify right side
    173,830.62x = 14,051,485,167.11
  5. Step 5: Solve for x
    x = 14,051,485,167.11/173,830.62
  6. Step 6: Final answer
    x = 80,834.35

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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.