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Finding the Fourth Proportional to 173,062.64, 259,640.08 and 54,736.16

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Solution

The fourth proportional to 173,062.64, 259,640.08 and 54,736.16 is: 82,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,062.64 : 259,640.08 = 54,736.16 : x
  2. Step 2: Convert to fraction form
    173,062.64/259,640.08 = 54,736.16/x
  3. Step 3: Cross multiply
    173,062.64x = 259,640.08 × 54,736.16
  4. Step 4: Simplify right side
    173,062.64x = 14,211,700,961.29
  5. Step 5: Solve for x
    x = 14,211,700,961.29/173,062.64
  6. Step 6: Final answer
    x = 82,118.83

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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.