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Finding the Fourth Proportional to 169,743.40, 254,615.10 and 96,015.40

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Solution

The fourth proportional to 169,743.40, 254,615.10 and 96,015.40 is: 144,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,743.40 : 254,615.10 = 96,015.40 : x
  2. Step 2: Convert to fraction form
    169,743.40/254,615.10 = 96,015.40/x
  3. Step 3: Cross multiply
    169,743.40x = 254,615.10 × 96,015.40
  4. Step 4: Simplify right side
    169,743.40x = 24,446,970,672.54
  5. Step 5: Solve for x
    x = 24,446,970,672.54/169,743.40
  6. Step 6: Final answer
    x = 144,023.10

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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.