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Finding the Fourth Proportional to 173,677.80, 260,516.70 and 171,834.60

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Solution

The fourth proportional to 173,677.80, 260,516.70 and 171,834.60 is: 257,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,677.80 : 260,516.70 = 171,834.60 : x
  2. Step 2: Convert to fraction form
    173,677.80/260,516.70 = 171,834.60/x
  3. Step 3: Cross multiply
    173,677.80x = 260,516.70 × 171,834.60
  4. Step 4: Simplify right side
    173,677.80x = 44,765,782,937.82
  5. Step 5: Solve for x
    x = 44,765,782,937.82/173,677.80
  6. Step 6: Final answer
    x = 257,751.90

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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.