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Finding the Fourth Proportional to 181,168.30, 250,010.88 and 100,596.10

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Solution

The fourth proportional to 181,168.30, 250,010.88 and 100,596.10 is: 138,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,168.30 : 250,010.88 = 100,596.10 : x
  2. Step 2: Convert to fraction form
    181,168.30/250,010.88 = 100,596.10/x
  3. Step 3: Cross multiply
    181,168.30x = 250,010.88 × 100,596.10
  4. Step 4: Simplify right side
    181,168.30x = 25,150,119,485.57
  5. Step 5: Solve for x
    x = 25,150,119,485.57/181,168.30
  6. Step 6: Final answer
    x = 138,821.86

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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.