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Finding the Fourth Proportional to 127,998.54, 176,704.39 and 93,504.54

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Solution

The fourth proportional to 127,998.54, 176,704.39 and 93,504.54 is: 129,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,998.54 : 176,704.39 = 93,504.54 : x
  2. Step 2: Convert to fraction form
    127,998.54/176,704.39 = 93,504.54/x
  3. Step 3: Cross multiply
    127,998.54x = 176,704.39 × 93,504.54
  4. Step 4: Simplify right side
    127,998.54x = 16,522,662,137.85
  5. Step 5: Solve for x
    x = 16,522,662,137.85/127,998.54
  6. Step 6: Final answer
    x = 129,084.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.