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Finding the Fourth Proportional to 118,167.36, 176,834.70 and 73,815

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Solution

The fourth proportional to 118,167.36, 176,834.70 and 73,815 is: 110,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,167.36 : 176,834.70 = 73,815 : x
  2. Step 2: Convert to fraction form
    118,167.36/176,834.70 = 73,815/x
  3. Step 3: Cross multiply
    118,167.36x = 176,834.70 × 73,815
  4. Step 4: Simplify right side
    118,167.36x = 13,053,053,380.50
  5. Step 5: Solve for x
    x = 13,053,053,380.50/118,167.36
  6. Step 6: Final answer
    x = 110,462.43

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1.5x scale

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.