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Finding the Fourth Proportional to 91,183.34, 125,854.01 and 53,469.74

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Solution

The fourth proportional to 91,183.34, 125,854.01 and 53,469.74 is: 73,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.34 : 125,854.01 = 53,469.74 : x
  2. Step 2: Convert to fraction form
    91,183.34/125,854.01 = 53,469.74/x
  3. Step 3: Cross multiply
    91,183.34x = 125,854.01 × 53,469.74
  4. Step 4: Simplify right side
    91,183.34x = 6,729,380,296.04
  5. Step 5: Solve for x
    x = 6,729,380,296.04/91,183.34
  6. Step 6: Final answer
    x = 73,800.55

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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.