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Finding the Fourth Proportional to 260,949.48, 360,104.17 and 153,526.43

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Solution

The fourth proportional to 260,949.48, 360,104.17 and 153,526.43 is: 211,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,949.48 : 360,104.17 = 153,526.43 : x
  2. Step 2: Convert to fraction form
    260,949.48/360,104.17 = 153,526.43/x
  3. Step 3: Cross multiply
    260,949.48x = 360,104.17 × 153,526.43
  4. Step 4: Simplify right side
    260,949.48x = 55,285,507,648.21
  5. Step 5: Solve for x
    x = 55,285,507,648.21/260,949.48
  6. Step 6: Final answer
    x = 211,862.88

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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.