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Finding the Fourth Proportional to 118,445.44, 177,794.40 and 65,957.44

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Solution

The fourth proportional to 118,445.44, 177,794.40 and 65,957.44 is: 99,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,445.44 : 177,794.40 = 65,957.44 : x
  2. Step 2: Convert to fraction form
    118,445.44/177,794.40 = 65,957.44/x
  3. Step 3: Cross multiply
    118,445.44x = 177,794.40 × 65,957.44
  4. Step 4: Simplify right side
    118,445.44x = 11,726,863,470.34
  5. Step 5: Solve for x
    x = 11,726,863,470.34/118,445.44
  6. Step 6: Final answer
    x = 99,006.46

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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.