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Finding the Fourth Proportional to 468,687.75, 703,151.51 and 136,263.75

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Solution

The fourth proportional to 468,687.75, 703,151.51 and 136,263.75 is: 204,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,687.75 : 703,151.51 = 136,263.75 : x
  2. Step 2: Convert to fraction form
    468,687.75/703,151.51 = 136,263.75/x
  3. Step 3: Cross multiply
    468,687.75x = 703,151.51 × 136,263.75
  4. Step 4: Simplify right side
    468,687.75x = 95,814,061,570.76
  5. Step 5: Solve for x
    x = 95,814,061,570.76/468,687.75
  6. Step 6: Final answer
    x = 204,430.48

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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.