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Finding the Fourth Proportional to 85,960.56, 118,595.16 and 56,169.84

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Solution

The fourth proportional to 85,960.56, 118,595.16 and 56,169.84 is: 77,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,960.56 : 118,595.16 = 56,169.84 : x
  2. Step 2: Convert to fraction form
    85,960.56/118,595.16 = 56,169.84/x
  3. Step 3: Cross multiply
    85,960.56x = 118,595.16 × 56,169.84
  4. Step 4: Simplify right side
    85,960.56x = 6,661,471,161.97
  5. Step 5: Solve for x
    x = 6,661,471,161.97/85,960.56
  6. Step 6: Final answer
    x = 77,494.51

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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.