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Finding the Fourth Proportional to 228,360.94, 342,574.20 and 70,601.71

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Solution

The fourth proportional to 228,360.94, 342,574.20 and 70,601.71 is: 105,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,360.94 : 342,574.20 = 70,601.71 : x
  2. Step 2: Convert to fraction form
    228,360.94/342,574.20 = 70,601.71/x
  3. Step 3: Cross multiply
    228,360.94x = 342,574.20 × 70,601.71
  4. Step 4: Simplify right side
    228,360.94x = 24,186,324,321.88
  5. Step 5: Solve for x
    x = 24,186,324,321.88/228,360.94
  6. Step 6: Final answer
    x = 105,912.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.