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Finding the Fourth Proportional to 181,718.48, 250,771.48 and 101,144.27

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Solution

The fourth proportional to 181,718.48, 250,771.48 and 101,144.27 is: 139,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,718.48 : 250,771.48 = 101,144.27 : x
  2. Step 2: Convert to fraction form
    181,718.48/250,771.48 = 101,144.27/x
  3. Step 3: Cross multiply
    181,718.48x = 250,771.48 × 101,144.27
  4. Step 4: Simplify right side
    181,718.48x = 25,364,096,521.84
  5. Step 5: Solve for x
    x = 25,364,096,521.84/181,718.48
  6. Step 6: Final answer
    x = 139,579.07

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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.