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Finding the Fourth Proportional to 114,704.42, 172,145.04 and 57,836.42

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Solution

The fourth proportional to 114,704.42, 172,145.04 and 57,836.42 is: 86,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,704.42 : 172,145.04 = 57,836.42 : x
  2. Step 2: Convert to fraction form
    114,704.42/172,145.04 = 57,836.42/x
  3. Step 3: Cross multiply
    114,704.42x = 172,145.04 × 57,836.42
  4. Step 4: Simplify right side
    114,704.42x = 9,956,252,834.36
  5. Step 5: Solve for x
    x = 9,956,252,834.36/114,704.42
  6. Step 6: Final answer
    x = 86,799.21

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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.