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Finding the Fourth Proportional to 216,297.77, 298,489.21 and 125,706.76

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Solution

The fourth proportional to 216,297.77, 298,489.21 and 125,706.76 is: 173,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,297.77 : 298,489.21 = 125,706.76 : x
  2. Step 2: Convert to fraction form
    216,297.77/298,489.21 = 125,706.76/x
  3. Step 3: Cross multiply
    216,297.77x = 298,489.21 × 125,706.76
  4. Step 4: Simplify right side
    216,297.77x = 37,522,110,423.57
  5. Step 5: Solve for x
    x = 37,522,110,423.57/216,297.77
  6. Step 6: Final answer
    x = 173,474.33

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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.