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Finding the Fourth Proportional to 181,620.80, 250,638.24 and 101,057.60

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Solution

The fourth proportional to 181,620.80, 250,638.24 and 101,057.60 is: 139,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,620.80 : 250,638.24 = 101,057.60 : x
  2. Step 2: Convert to fraction form
    181,620.80/250,638.24 = 101,057.60/x
  3. Step 3: Cross multiply
    181,620.80x = 250,638.24 × 101,057.60
  4. Step 4: Simplify right side
    181,620.80x = 25,328,899,002.62
  5. Step 5: Solve for x
    x = 25,328,899,002.62/181,620.80
  6. Step 6: Final answer
    x = 139,460.34

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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.