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Finding the Fourth Proportional to 171,809.24, 237,005.24 and 100,163.12

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Solution

The fourth proportional to 171,809.24, 237,005.24 and 100,163.12 is: 138,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,809.24 : 237,005.24 = 100,163.12 : x
  2. Step 2: Convert to fraction form
    171,809.24/237,005.24 = 100,163.12/x
  3. Step 3: Cross multiply
    171,809.24x = 237,005.24 × 100,163.12
  4. Step 4: Simplify right side
    171,809.24x = 23,739,184,294.75
  5. Step 5: Solve for x
    x = 23,739,184,294.75/171,809.24
  6. Step 6: Final answer
    x = 138,171.76

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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.