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Finding the Fourth Proportional to 251,192.40, 376,837.20 and 73,705.20

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Solution

The fourth proportional to 251,192.40, 376,837.20 and 73,705.20 is: 110,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,192.40 : 376,837.20 = 73,705.20 : x
  2. Step 2: Convert to fraction form
    251,192.40/376,837.20 = 73,705.20/x
  3. Step 3: Cross multiply
    251,192.40x = 376,837.20 × 73,705.20
  4. Step 4: Simplify right side
    251,192.40x = 27,774,861,193.44
  5. Step 5: Solve for x
    x = 27,774,861,193.44/251,192.40
  6. Step 6: Final answer
    x = 110,572.06

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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.