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Finding the Fourth Proportional to 216,163.72, 298,283.26 and 125,501.97

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Solution

The fourth proportional to 216,163.72, 298,283.26 and 125,501.97 is: 173,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,163.72 : 298,283.26 = 125,501.97 : x
  2. Step 2: Convert to fraction form
    216,163.72/298,283.26 = 125,501.97/x
  3. Step 3: Cross multiply
    216,163.72x = 298,283.26 × 125,501.97
  4. Step 4: Simplify right side
    216,163.72x = 37,435,136,748.02
  5. Step 5: Solve for x
    x = 37,435,136,748.02/216,163.72
  6. Step 6: Final answer
    x = 173,179.55

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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.