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Finding the Fourth Proportional to 500,747.36, 751,114 and 121,670.88

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Solution

The fourth proportional to 500,747.36, 751,114 and 121,670.88 is: 182,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,747.36 : 751,114 = 121,670.88 : x
  2. Step 2: Convert to fraction form
    500,747.36/751,114 = 121,670.88/x
  3. Step 3: Cross multiply
    500,747.36x = 751,114 × 121,670.88
  4. Step 4: Simplify right side
    500,747.36x = 91,388,701,360.32
  5. Step 5: Solve for x
    x = 91,388,701,360.32/500,747.36
  6. Step 6: Final answer
    x = 182,504.61

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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.