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Finding the Fourth Proportional to 118,556.90, 177,844.64 and 34,318.34

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Solution

The fourth proportional to 118,556.90, 177,844.64 and 34,318.34 is: 51,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,556.90 : 177,844.64 = 34,318.34 : x
  2. Step 2: Convert to fraction form
    118,556.90/177,844.64 = 34,318.34/x
  3. Step 3: Cross multiply
    118,556.90x = 177,844.64 × 34,318.34
  4. Step 4: Simplify right side
    118,556.90x = 6,103,332,686.19
  5. Step 5: Solve for x
    x = 6,103,332,686.19/118,556.90
  6. Step 6: Final answer
    x = 51,480.20

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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.