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Finding the Fourth Proportional to 164,759.01, 247,139.82 and 107,880.84

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Solution

The fourth proportional to 164,759.01, 247,139.82 and 107,880.84 is: 161,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,759.01 : 247,139.82 = 107,880.84 : x
  2. Step 2: Convert to fraction form
    164,759.01/247,139.82 = 107,880.84/x
  3. Step 3: Cross multiply
    164,759.01x = 247,139.82 × 107,880.84
  4. Step 4: Simplify right side
    164,759.01x = 26,661,651,379.05
  5. Step 5: Solve for x
    x = 26,661,651,379.05/164,759.01
  6. Step 6: Final answer
    x = 161,822.11

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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.