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Finding the Fourth Proportional to 95,562.51, 131,880.75 and 53,121.75

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Solution

The fourth proportional to 95,562.51, 131,880.75 and 53,121.75 is: 73,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,562.51 : 131,880.75 = 53,121.75 : x
  2. Step 2: Convert to fraction form
    95,562.51/131,880.75 = 53,121.75/x
  3. Step 3: Cross multiply
    95,562.51x = 131,880.75 × 53,121.75
  4. Step 4: Simplify right side
    95,562.51x = 7,005,736,231.31
  5. Step 5: Solve for x
    x = 7,005,736,231.31/95,562.51
  6. Step 6: Final answer
    x = 73,310.51

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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.