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Finding the Fourth Proportional to 359,052.08, 538,578.04 and 109,731.92

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Solution

The fourth proportional to 359,052.08, 538,578.04 and 109,731.92 is: 164,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,052.08 : 538,578.04 = 109,731.92 : x
  2. Step 2: Convert to fraction form
    359,052.08/538,578.04 = 109,731.92/x
  3. Step 3: Cross multiply
    359,052.08x = 538,578.04 × 109,731.92
  4. Step 4: Simplify right side
    359,052.08x = 59,099,202,399.04
  5. Step 5: Solve for x
    x = 59,099,202,399.04/359,052.08
  6. Step 6: Final answer
    x = 164,597.86

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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.