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Finding the Fourth Proportional to 250,713.36, 376,032.96 and 73,172.70

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Solution

The fourth proportional to 250,713.36, 376,032.96 and 73,172.70 is: 109,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,713.36 : 376,032.96 = 73,172.70 : x
  2. Step 2: Convert to fraction form
    250,713.36/376,032.96 = 73,172.70/x
  3. Step 3: Cross multiply
    250,713.36x = 376,032.96 × 73,172.70
  4. Step 4: Simplify right side
    250,713.36x = 27,515,346,972.19
  5. Step 5: Solve for x
    x = 27,515,346,972.19/250,713.36
  6. Step 6: Final answer
    x = 109,748.23

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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.