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Finding the Fourth Proportional to 118,243.70, 177,365.55 and 108,566.90

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Solution

The fourth proportional to 118,243.70, 177,365.55 and 108,566.90 is: 162,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.70 : 177,365.55 = 108,566.90 : x
  2. Step 2: Convert to fraction form
    118,243.70/177,365.55 = 108,566.90/x
  3. Step 3: Cross multiply
    118,243.70x = 177,365.55 × 108,566.90
  4. Step 4: Simplify right side
    118,243.70x = 19,256,027,930.30
  5. Step 5: Solve for x
    x = 19,256,027,930.30/118,243.70
  6. Step 6: Final answer
    x = 162,850.35

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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.