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Finding the Fourth Proportional to 500,969.14, 751,454.27 and 121,889.88

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Solution

The fourth proportional to 500,969.14, 751,454.27 and 121,889.88 is: 182,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,969.14 : 751,454.27 = 121,889.88 : x
  2. Step 2: Convert to fraction form
    500,969.14/751,454.27 = 121,889.88/x
  3. Step 3: Cross multiply
    500,969.14x = 751,454.27 × 121,889.88
  4. Step 4: Simplify right side
    500,969.14x = 91,594,670,795.79
  5. Step 5: Solve for x
    x = 91,594,670,795.79/500,969.14
  6. Step 6: Final answer
    x = 182,834.96

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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.