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Finding the Fourth Proportional to 172,169.33, 237,525.64 and 99,558.86

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Solution

The fourth proportional to 172,169.33, 237,525.64 and 99,558.86 is: 137,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,169.33 : 237,525.64 = 99,558.86 : x
  2. Step 2: Convert to fraction form
    172,169.33/237,525.64 = 99,558.86/x
  3. Step 3: Cross multiply
    172,169.33x = 237,525.64 × 99,558.86
  4. Step 4: Simplify right side
    172,169.33x = 23,647,780,502.65
  5. Step 5: Solve for x
    x = 23,647,780,502.65/172,169.33
  6. Step 6: Final answer
    x = 137,351.88

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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.