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Finding the Fourth Proportional to 127,893.75, 176,491.98 and 73,454.82

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Solution

The fourth proportional to 127,893.75, 176,491.98 and 73,454.82 is: 101,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,893.75 : 176,491.98 = 73,454.82 : x
  2. Step 2: Convert to fraction form
    127,893.75/176,491.98 = 73,454.82/x
  3. Step 3: Cross multiply
    127,893.75x = 176,491.98 × 73,454.82
  4. Step 4: Simplify right side
    127,893.75x = 12,964,186,622.34
  5. Step 5: Solve for x
    x = 12,964,186,622.34/127,893.75
  6. Step 6: Final answer
    x = 101,366.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.