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Finding the Fourth Proportional to 468,760.79, 703,136.06 and 113,774.81

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Solution

The fourth proportional to 468,760.79, 703,136.06 and 113,774.81 is: 170,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,760.79 : 703,136.06 = 113,774.81 : x
  2. Step 2: Convert to fraction form
    468,760.79/703,136.06 = 113,774.81/x
  3. Step 3: Cross multiply
    468,760.79x = 703,136.06 × 113,774.81
  4. Step 4: Simplify right side
    468,760.79x = 79,999,173,771.06
  5. Step 5: Solve for x
    x = 79,999,173,771.06/468,760.79
  6. Step 6: Final answer
    x = 170,660.97

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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.