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Finding the Fourth Proportional to 169,672.75, 254,334.14 and 76,244.11

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Solution

The fourth proportional to 169,672.75, 254,334.14 and 76,244.11 is: 114,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,672.75 : 254,334.14 = 76,244.11 : x
  2. Step 2: Convert to fraction form
    169,672.75/254,334.14 = 76,244.11/x
  3. Step 3: Cross multiply
    169,672.75x = 254,334.14 × 76,244.11
  4. Step 4: Simplify right side
    169,672.75x = 19,391,480,146.92
  5. Step 5: Solve for x
    x = 19,391,480,146.92/169,672.75
  6. Step 6: Final answer
    x = 114,287.53

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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.