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Finding the Fourth Proportional to 346,591.70, 519,883.43 and 109,936.43

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Solution

The fourth proportional to 346,591.70, 519,883.43 and 109,936.43 is: 164,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,591.70 : 519,883.43 = 109,936.43 : x
  2. Step 2: Convert to fraction form
    346,591.70/519,883.43 = 109,936.43/x
  3. Step 3: Cross multiply
    346,591.70x = 519,883.43 × 109,936.43
  4. Step 4: Simplify right side
    346,591.70x = 57,154,125,161.26
  5. Step 5: Solve for x
    x = 57,154,125,161.26/346,591.70
  6. Step 6: Final answer
    x = 164,903.33

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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.