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Finding the Fourth Proportional to 171,446.50, 236,541.49 and 111,063.43

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Solution

The fourth proportional to 171,446.50, 236,541.49 and 111,063.43 is: 153,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,446.50 : 236,541.49 = 111,063.43 : x
  2. Step 2: Convert to fraction form
    171,446.50/236,541.49 = 111,063.43/x
  3. Step 3: Cross multiply
    171,446.50x = 236,541.49 × 111,063.43
  4. Step 4: Simplify right side
    171,446.50x = 26,271,109,216.71
  5. Step 5: Solve for x
    x = 26,271,109,216.71/171,446.50
  6. Step 6: Final answer
    x = 153,232.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.