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Finding the Fourth Proportional to 164,137.31, 246,205.88 and 126,751.89

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Solution

The fourth proportional to 164,137.31, 246,205.88 and 126,751.89 is: 190,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,137.31 : 246,205.88 = 126,751.89 : x
  2. Step 2: Convert to fraction form
    164,137.31/246,205.88 = 126,751.89/x
  3. Step 3: Cross multiply
    164,137.31x = 246,205.88 × 126,751.89
  4. Step 4: Simplify right side
    164,137.31x = 31,207,060,619.11
  5. Step 5: Solve for x
    x = 31,207,060,619.11/164,137.31
  6. Step 6: Final answer
    x = 190,127.77

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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.