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Finding the Fourth Proportional to 86,604.37, 119,512.89 and 48,364.57

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Solution

The fourth proportional to 86,604.37, 119,512.89 and 48,364.57 is: 66,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,604.37 : 119,512.89 = 48,364.57 : x
  2. Step 2: Convert to fraction form
    86,604.37/119,512.89 = 48,364.57/x
  3. Step 3: Cross multiply
    86,604.37x = 119,512.89 × 48,364.57
  4. Step 4: Simplify right side
    86,604.37x = 5,780,189,534.31
  5. Step 5: Solve for x
    x = 5,780,189,534.31/86,604.37
  6. Step 6: Final answer
    x = 66,742.47

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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.