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Finding the Fourth Proportional to 362,503.64, 543,755.94 and 137,811.32

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Solution

The fourth proportional to 362,503.64, 543,755.94 and 137,811.32 is: 206,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,503.64 : 543,755.94 = 137,811.32 : x
  2. Step 2: Convert to fraction form
    362,503.64/543,755.94 = 137,811.32/x
  3. Step 3: Cross multiply
    362,503.64x = 543,755.94 × 137,811.32
  4. Step 4: Simplify right side
    362,503.64x = 74,935,723,849.24
  5. Step 5: Solve for x
    x = 74,935,723,849.24/362,503.64
  6. Step 6: Final answer
    x = 206,717.16

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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.