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Finding the Fourth Proportional to 251,087.56, 376,634.40 and 73,598.16

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Solution

The fourth proportional to 251,087.56, 376,634.40 and 73,598.16 is: 110,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,087.56 : 376,634.40 = 73,598.16 : x
  2. Step 2: Convert to fraction form
    251,087.56/376,634.40 = 73,598.16/x
  3. Step 3: Cross multiply
    251,087.56x = 376,634.40 × 73,598.16
  4. Step 4: Simplify right side
    251,087.56x = 27,719,596,949.53
  5. Step 5: Solve for x
    x = 27,719,596,949.53/251,087.56
  6. Step 6: Final answer
    x = 110,398.13

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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.