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Finding the Fourth Proportional to 118,194.72, 177,288.84 and 39,310.44

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Solution

The fourth proportional to 118,194.72, 177,288.84 and 39,310.44 is: 58,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194.72 : 177,288.84 = 39,310.44 : x
  2. Step 2: Convert to fraction form
    118,194.72/177,288.84 = 39,310.44/x
  3. Step 3: Cross multiply
    118,194.72x = 177,288.84 × 39,310.44
  4. Step 4: Simplify right side
    118,194.72x = 6,969,302,307.49
  5. Step 5: Solve for x
    x = 6,969,302,307.49/118,194.72
  6. Step 6: Final answer
    x = 58,964.58

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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.