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Finding the Fourth Proportional to 82,300.92, 113,579.16 and 48,310.89

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Solution

The fourth proportional to 82,300.92, 113,579.16 and 48,310.89 is: 66,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,300.92 : 113,579.16 = 48,310.89 : x
  2. Step 2: Convert to fraction form
    82,300.92/113,579.16 = 48,310.89/x
  3. Step 3: Cross multiply
    82,300.92x = 113,579.16 × 48,310.89
  4. Step 4: Simplify right side
    82,300.92x = 5,487,110,305.05
  5. Step 5: Solve for x
    x = 5,487,110,305.05/82,300.92
  6. Step 6: Final answer
    x = 66,671.31

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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.