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Finding the Fourth Proportional to 126,899.94, 175,137.46 and 73,184.94

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Solution

The fourth proportional to 126,899.94, 175,137.46 and 73,184.94 is: 101,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,899.94 : 175,137.46 = 73,184.94 : x
  2. Step 2: Convert to fraction form
    126,899.94/175,137.46 = 73,184.94/x
  3. Step 3: Cross multiply
    126,899.94x = 175,137.46 × 73,184.94
  4. Step 4: Simplify right side
    126,899.94x = 12,817,424,501.85
  5. Step 5: Solve for x
    x = 12,817,424,501.85/126,899.94
  6. Step 6: Final answer
    x = 101,004.18

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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.