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Finding the Fourth Proportional to 70,584.57, 97,369.97 and 57,170.97

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Solution

The fourth proportional to 70,584.57, 97,369.97 and 57,170.97 is: 78,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,584.57 : 97,369.97 = 57,170.97 : x
  2. Step 2: Convert to fraction form
    70,584.57/97,369.97 = 57,170.97/x
  3. Step 3: Cross multiply
    70,584.57x = 97,369.97 × 57,170.97
  4. Step 4: Simplify right side
    70,584.57x = 5,566,735,347.92
  5. Step 5: Solve for x
    x = 5,566,735,347.92/70,584.57
  6. Step 6: Final answer
    x = 78,866.18

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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.