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Finding the Fourth Proportional to 115,885.34, 173,855.13 and 35,919.14

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Solution

The fourth proportional to 115,885.34, 173,855.13 and 35,919.14 is: 53,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,885.34 : 173,855.13 = 35,919.14 : x
  2. Step 2: Convert to fraction form
    115,885.34/173,855.13 = 35,919.14/x
  3. Step 3: Cross multiply
    115,885.34x = 173,855.13 × 35,919.14
  4. Step 4: Simplify right side
    115,885.34x = 6,244,725,884.91
  5. Step 5: Solve for x
    x = 6,244,725,884.91/115,885.34
  6. Step 6: Final answer
    x = 53,887.11

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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.