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Finding the Fourth Proportional to 362,711.70, 543,873.15 and 152,111.70

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Solution

The fourth proportional to 362,711.70, 543,873.15 and 152,111.70 is: 228,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,711.70 : 543,873.15 = 152,111.70 : x
  2. Step 2: Convert to fraction form
    362,711.70/543,873.15 = 152,111.70/x
  3. Step 3: Cross multiply
    362,711.70x = 543,873.15 × 152,111.70
  4. Step 4: Simplify right side
    362,711.70x = 82,729,469,430.86
  5. Step 5: Solve for x
    x = 82,729,469,430.86/362,711.70
  6. Step 6: Final answer
    x = 228,086.02

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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.