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Finding the Fourth Proportional to 250,784.64, 376,212.24 and 73,305

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Solution

The fourth proportional to 250,784.64, 376,212.24 and 73,305 is: 109,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,784.64 : 376,212.24 = 73,305 : x
  2. Step 2: Convert to fraction form
    250,784.64/376,212.24 = 73,305/x
  3. Step 3: Cross multiply
    250,784.64x = 376,212.24 × 73,305
  4. Step 4: Simplify right side
    250,784.64x = 27,578,238,253.20
  5. Step 5: Solve for x
    x = 27,578,238,253.20/250,784.64
  6. Step 6: Final answer
    x = 109,967.81

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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.