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Finding the Fourth Proportional to 163,951.93, 245,936.72 and 51,640.94

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Solution

The fourth proportional to 163,951.93, 245,936.72 and 51,640.94 is: 77,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,951.93 : 245,936.72 = 51,640.94 : x
  2. Step 2: Convert to fraction form
    163,951.93/245,936.72 = 51,640.94/x
  3. Step 3: Cross multiply
    163,951.93x = 245,936.72 × 51,640.94
  4. Step 4: Simplify right side
    163,951.93x = 12,700,404,145.26
  5. Step 5: Solve for x
    x = 12,700,404,145.26/163,951.93
  6. Step 6: Final answer
    x = 77,464.19

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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.