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Finding the Fourth Proportional to 95,164.55, 131,321.90 and 52,720.55

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Solution

The fourth proportional to 95,164.55, 131,321.90 and 52,720.55 is: 72,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,164.55 : 131,321.90 = 52,720.55 : x
  2. Step 2: Convert to fraction form
    95,164.55/131,321.90 = 52,720.55/x
  3. Step 3: Cross multiply
    95,164.55x = 131,321.90 × 52,720.55
  4. Step 4: Simplify right side
    95,164.55x = 6,923,362,270.24
  5. Step 5: Solve for x
    x = 6,923,362,270.24/95,164.55
  6. Step 6: Final answer
    x = 72,751.49

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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.