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Finding the Fourth Proportional to 95,190.76, 142,739.34 and 39,015.64

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Solution

The fourth proportional to 95,190.76, 142,739.34 and 39,015.64 is: 58,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,190.76 : 142,739.34 = 39,015.64 : x
  2. Step 2: Convert to fraction form
    95,190.76/142,739.34 = 39,015.64/x
  3. Step 3: Cross multiply
    95,190.76x = 142,739.34 × 39,015.64
  4. Step 4: Simplify right side
    95,190.76x = 5,569,066,703.28
  5. Step 5: Solve for x
    x = 5,569,066,703.28/95,190.76
  6. Step 6: Final answer
    x = 58,504.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.