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Finding the Fourth Proportional to 70,184.70, 96,821.10 and 51,034.80

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Solution

The fourth proportional to 70,184.70, 96,821.10 and 51,034.80 is: 70,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,184.70 : 96,821.10 = 51,034.80 : x
  2. Step 2: Convert to fraction form
    70,184.70/96,821.10 = 51,034.80/x
  3. Step 3: Cross multiply
    70,184.70x = 96,821.10 × 51,034.80
  4. Step 4: Simplify right side
    70,184.70x = 4,941,245,474.28
  5. Step 5: Solve for x
    x = 4,941,245,474.28/70,184.70
  6. Step 6: Final answer
    x = 70,403.46

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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.