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Finding the Fourth Proportional to 70,170.71, 96,828.11 and 41,491.46

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Solution

The fourth proportional to 70,170.71, 96,828.11 and 41,491.46 is: 57,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,170.71 : 96,828.11 = 41,491.46 : x
  2. Step 2: Convert to fraction form
    70,170.71/96,828.11 = 41,491.46/x
  3. Step 3: Cross multiply
    70,170.71x = 96,828.11 × 41,491.46
  4. Step 4: Simplify right side
    70,170.71x = 4,017,539,298.49
  5. Step 5: Solve for x
    x = 4,017,539,298.49/70,170.71
  6. Step 6: Final answer
    x = 57,253.80

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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.