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Finding the Fourth Proportional to 70,542.84, 97,314.44 and 51,392.82

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Solution

The fourth proportional to 70,542.84, 97,314.44 and 51,392.82 is: 70,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.84 : 97,314.44 = 51,392.82 : x
  2. Step 2: Convert to fraction form
    70,542.84/97,314.44 = 51,392.82/x
  3. Step 3: Cross multiply
    70,542.84x = 97,314.44 × 51,392.82
  4. Step 4: Simplify right side
    70,542.84x = 5,001,263,241.36
  5. Step 5: Solve for x
    x = 5,001,263,241.36/70,542.84
  6. Step 6: Final answer
    x = 70,896.82

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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.