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Finding the Fourth Proportional to 70,163.69, 96,792.17 and 51,013.80

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Solution

The fourth proportional to 70,163.69, 96,792.17 and 51,013.80 is: 70,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.69 : 96,792.17 = 51,013.80 : x
  2. Step 2: Convert to fraction form
    70,163.69/96,792.17 = 51,013.80/x
  3. Step 3: Cross multiply
    70,163.69x = 96,792.17 × 51,013.80
  4. Step 4: Simplify right side
    70,163.69x = 4,937,736,146.88
  5. Step 5: Solve for x
    x = 4,937,736,146.88/70,163.69
  6. Step 6: Final answer
    x = 70,374.53

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1.5x scale

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.