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Finding the Fourth Proportional to 177,223.40, 265,604.70 and 127,917.80

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Solution

The fourth proportional to 177,223.40, 265,604.70 and 127,917.80 is: 191,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,223.40 : 265,604.70 = 127,917.80 : x
  2. Step 2: Convert to fraction form
    177,223.40/265,604.70 = 127,917.80/x
  3. Step 3: Cross multiply
    177,223.40x = 265,604.70 × 127,917.80
  4. Step 4: Simplify right side
    177,223.40x = 33,975,568,893.66
  5. Step 5: Solve for x
    x = 33,975,568,893.66/177,223.40
  6. Step 6: Final answer
    x = 191,710.40

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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.