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Finding the Fourth Proportional to 113,788.62, 170,704.95 and 43,662.48

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Solution

The fourth proportional to 113,788.62, 170,704.95 and 43,662.48 is: 65,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.62 : 170,704.95 = 43,662.48 : x
  2. Step 2: Convert to fraction form
    113,788.62/170,704.95 = 43,662.48/x
  3. Step 3: Cross multiply
    113,788.62x = 170,704.95 × 43,662.48
  4. Step 4: Simplify right side
    113,788.62x = 7,453,401,465.28
  5. Step 5: Solve for x
    x = 7,453,401,465.28/113,788.62
  6. Step 6: Final answer
    x = 65,502.17

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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.