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Finding the Fourth Proportional to 181,682.15, 250,733.15 and 101,109.43

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Solution

The fourth proportional to 181,682.15, 250,733.15 and 101,109.43 is: 139,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,682.15 : 250,733.15 = 101,109.43 : x
  2. Step 2: Convert to fraction form
    181,682.15/250,733.15 = 101,109.43/x
  3. Step 3: Cross multiply
    181,682.15x = 250,733.15 × 101,109.43
  4. Step 4: Simplify right side
    181,682.15x = 25,351,485,878.60
  5. Step 5: Solve for x
    x = 25,351,485,878.60/181,682.15
  6. Step 6: Final answer
    x = 139,537.57

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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.