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Finding the Fourth Proportional to 70,256.73, 96,955.94 and 40,044.86

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Solution

The fourth proportional to 70,256.73, 96,955.94 and 40,044.86 is: 55,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,256.73 : 96,955.94 = 40,044.86 : x
  2. Step 2: Convert to fraction form
    70,256.73/96,955.94 = 40,044.86/x
  3. Step 3: Cross multiply
    70,256.73x = 96,955.94 × 40,044.86
  4. Step 4: Simplify right side
    70,256.73x = 3,882,586,658.80
  5. Step 5: Solve for x
    x = 3,882,586,658.80/70,256.73
  6. Step 6: Final answer
    x = 55,262.84

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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.