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Finding the Fourth Proportional to 181,912.58, 251,041.01 and 101,339.85

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Solution

The fourth proportional to 181,912.58, 251,041.01 and 101,339.85 is: 139,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,912.58 : 251,041.01 = 101,339.85 : x
  2. Step 2: Convert to fraction form
    181,912.58/251,041.01 = 101,339.85/x
  3. Step 3: Cross multiply
    181,912.58x = 251,041.01 × 101,339.85
  4. Step 4: Simplify right side
    181,912.58x = 25,440,458,297.25
  5. Step 5: Solve for x
    x = 25,440,458,297.25/181,912.58
  6. Step 6: Final answer
    x = 139,849.91

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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.