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Finding the Fourth Proportional to 115,355.66, 173,032.40 and 36,469.88

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Solution

The fourth proportional to 115,355.66, 173,032.40 and 36,469.88 is: 54,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,355.66 : 173,032.40 = 36,469.88 : x
  2. Step 2: Convert to fraction form
    115,355.66/173,032.40 = 36,469.88/x
  3. Step 3: Cross multiply
    115,355.66x = 173,032.40 × 36,469.88
  4. Step 4: Simplify right side
    115,355.66x = 6,310,470,864.11
  5. Step 5: Solve for x
    x = 6,310,470,864.11/115,355.66
  6. Step 6: Final answer
    x = 54,704.48

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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.