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Finding the Fourth Proportional to 181,922.40, 272,624.40 and 134,164.80

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Solution

The fourth proportional to 181,922.40, 272,624.40 and 134,164.80 is: 201,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,922.40 : 272,624.40 = 134,164.80 : x
  2. Step 2: Convert to fraction form
    181,922.40/272,624.40 = 134,164.80/x
  3. Step 3: Cross multiply
    181,922.40x = 272,624.40 × 134,164.80
  4. Step 4: Simplify right side
    181,922.40x = 36,576,598,101.12
  5. Step 5: Solve for x
    x = 36,576,598,101.12/181,922.40
  6. Step 6: Final answer
    x = 201,056.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.