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Finding the Fourth Proportional to 115,466.40, 173,204.40 and 36,578.88

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Solution

The fourth proportional to 115,466.40, 173,204.40 and 36,578.88 is: 54,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,466.40 : 173,204.40 = 36,578.88 : x
  2. Step 2: Convert to fraction form
    115,466.40/173,204.40 = 36,578.88/x
  3. Step 3: Cross multiply
    115,466.40x = 173,204.40 × 36,578.88
  4. Step 4: Simplify right side
    115,466.40x = 6,335,622,963.07
  5. Step 5: Solve for x
    x = 6,335,622,963.07/115,466.40
  6. Step 6: Final answer
    x = 54,869.84

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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.