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Finding the Fourth Proportional to 346,498.80, 519,704.40 and 109,843.80

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Solution

The fourth proportional to 346,498.80, 519,704.40 and 109,843.80 is: 164,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,498.80 : 519,704.40 = 109,843.80 : x
  2. Step 2: Convert to fraction form
    346,498.80/519,704.40 = 109,843.80/x
  3. Step 3: Cross multiply
    346,498.80x = 519,704.40 × 109,843.80
  4. Step 4: Simplify right side
    346,498.80x = 57,086,306,172.72
  5. Step 5: Solve for x
    x = 57,086,306,172.72/346,498.80
  6. Step 6: Final answer
    x = 164,751.81

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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.