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Finding the Fourth Proportional to 115,604.40, 173,411.40 and 36,716.40

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Solution

The fourth proportional to 115,604.40, 173,411.40 and 36,716.40 is: 55,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,604.40 : 173,411.40 = 36,716.40 : x
  2. Step 2: Convert to fraction form
    115,604.40/173,411.40 = 36,716.40/x
  3. Step 3: Cross multiply
    115,604.40x = 173,411.40 × 36,716.40
  4. Step 4: Simplify right side
    115,604.40x = 6,367,042,326.96
  5. Step 5: Solve for x
    x = 6,367,042,326.96/115,604.40
  6. Step 6: Final answer
    x = 55,076.12

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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.