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Finding the Fourth Proportional to 111,408.72, 167,026.92 and 36,482.10

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Solution

The fourth proportional to 111,408.72, 167,026.92 and 36,482.10 is: 54,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,408.72 : 167,026.92 = 36,482.10 : x
  2. Step 2: Convert to fraction form
    111,408.72/167,026.92 = 36,482.10/x
  3. Step 3: Cross multiply
    111,408.72x = 167,026.92 × 36,482.10
  4. Step 4: Simplify right side
    111,408.72x = 6,093,492,798.13
  5. Step 5: Solve for x
    x = 6,093,492,798.13/111,408.72
  6. Step 6: Final answer
    x = 54,694.94

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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.