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Finding the Fourth Proportional to 95,644.89, 131,986.40 and 53,202.51

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Solution

The fourth proportional to 95,644.89, 131,986.40 and 53,202.51 is: 73,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,644.89 : 131,986.40 = 53,202.51 : x
  2. Step 2: Convert to fraction form
    95,644.89/131,986.40 = 53,202.51/x
  3. Step 3: Cross multiply
    95,644.89x = 131,986.40 × 53,202.51
  4. Step 4: Simplify right side
    95,644.89x = 7,022,007,499.85
  5. Step 5: Solve for x
    x = 7,022,007,499.85/95,644.89
  6. Step 6: Final answer
    x = 73,417.49

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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.