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Finding the Fourth Proportional to 174,992.88, 262,616.64 and 69,841.92

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Solution

The fourth proportional to 174,992.88, 262,616.64 and 69,841.92 is: 104,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,992.88 : 262,616.64 = 69,841.92 : x
  2. Step 2: Convert to fraction form
    174,992.88/262,616.64 = 69,841.92/x
  3. Step 3: Cross multiply
    174,992.88x = 262,616.64 × 69,841.92
  4. Step 4: Simplify right side
    174,992.88x = 18,341,650,361.55
  5. Step 5: Solve for x
    x = 18,341,650,361.55/174,992.88
  6. Step 6: Final answer
    x = 104,813.70

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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.