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Finding the Fourth Proportional to 181,940.40, 251,096.22 and 101,381.04

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Solution

The fourth proportional to 181,940.40, 251,096.22 and 101,381.04 is: 139,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,940.40 : 251,096.22 = 101,381.04 : x
  2. Step 2: Convert to fraction form
    181,940.40/251,096.22 = 101,381.04/x
  3. Step 3: Cross multiply
    181,940.40x = 251,096.22 × 101,381.04
  4. Step 4: Simplify right side
    181,940.40x = 25,456,395,923.67
  5. Step 5: Solve for x
    x = 25,456,395,923.67/181,940.40
  6. Step 6: Final answer
    x = 139,916.13

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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.