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Finding the Fourth Proportional to 117,189.22, 175,788.16 and 60,247.87

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Solution

The fourth proportional to 117,189.22, 175,788.16 and 60,247.87 is: 90,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,189.22 : 175,788.16 = 60,247.87 : x
  2. Step 2: Convert to fraction form
    117,189.22/175,788.16 = 60,247.87/x
  3. Step 3: Cross multiply
    117,189.22x = 175,788.16 × 60,247.87
  4. Step 4: Simplify right side
    117,189.22x = 10,590,862,609.94
  5. Step 5: Solve for x
    x = 10,590,862,609.94/117,189.22
  6. Step 6: Final answer
    x = 90,374.03

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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.