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Finding the Fourth Proportional to 126,792.03, 174,960.71 and 75,794.54

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Solution

The fourth proportional to 126,792.03, 174,960.71 and 75,794.54 is: 104,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,792.03 : 174,960.71 = 75,794.54 : x
  2. Step 2: Convert to fraction form
    126,792.03/174,960.71 = 75,794.54/x
  3. Step 3: Cross multiply
    126,792.03x = 174,960.71 × 75,794.54
  4. Step 4: Simplify right side
    126,792.03x = 13,261,065,562.98
  5. Step 5: Solve for x
    x = 13,261,065,562.98/126,792.03
  6. Step 6: Final answer
    x = 104,589.11

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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.