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Finding the Fourth Proportional to 99,169.92, 136,835.24 and 58,896.31

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Solution

The fourth proportional to 99,169.92, 136,835.24 and 58,896.31 is: 81,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,169.92 : 136,835.24 = 58,896.31 : x
  2. Step 2: Convert to fraction form
    99,169.92/136,835.24 = 58,896.31/x
  3. Step 3: Cross multiply
    99,169.92x = 136,835.24 × 58,896.31
  4. Step 4: Simplify right side
    99,169.92x = 8,059,091,056.05
  5. Step 5: Solve for x
    x = 8,059,091,056.05/99,169.92
  6. Step 6: Final answer
    x = 81,265.48

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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.