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Finding the Fourth Proportional to 362,382.08, 543,603.96 and 109,664.72

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Solution

The fourth proportional to 362,382.08, 543,603.96 and 109,664.72 is: 164,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,382.08 : 543,603.96 = 109,664.72 : x
  2. Step 2: Convert to fraction form
    362,382.08/543,603.96 = 109,664.72/x
  3. Step 3: Cross multiply
    362,382.08x = 543,603.96 × 109,664.72
  4. Step 4: Simplify right side
    362,382.08x = 59,614,176,064.29
  5. Step 5: Solve for x
    x = 59,614,176,064.29/362,382.08
  6. Step 6: Final answer
    x = 164,506.41

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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.