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Finding the Fourth Proportional to 70,076.95, 96,672.56 and 45,867.26

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Solution

The fourth proportional to 70,076.95, 96,672.56 and 45,867.26 is: 63,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,076.95 : 96,672.56 = 45,867.26 : x
  2. Step 2: Convert to fraction form
    70,076.95/96,672.56 = 45,867.26/x
  3. Step 3: Cross multiply
    70,076.95x = 96,672.56 × 45,867.26
  4. Step 4: Simplify right side
    70,076.95x = 4,434,105,456.73
  5. Step 5: Solve for x
    x = 4,434,105,456.73/70,076.95
  6. Step 6: Final answer
    x = 63,274.81

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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.