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Finding the Fourth Proportional to 113,958.88, 157,277.94 and 68,660.44

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Solution

The fourth proportional to 113,958.88, 157,277.94 and 68,660.44 is: 94,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,958.88 : 157,277.94 = 68,660.44 : x
  2. Step 2: Convert to fraction form
    113,958.88/157,277.94 = 68,660.44/x
  3. Step 3: Cross multiply
    113,958.88x = 157,277.94 × 68,660.44
  4. Step 4: Simplify right side
    113,958.88x = 10,798,772,562.69
  5. Step 5: Solve for x
    x = 10,798,772,562.69/113,958.88
  6. Step 6: Final answer
    x = 94,760.26

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1.5x scale

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.