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Finding the Fourth Proportional to 468,611.92, 702,920.13 and 113,625.91

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Solution

The fourth proportional to 468,611.92, 702,920.13 and 113,625.91 is: 170,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,611.92 : 702,920.13 = 113,625.91 : x
  2. Step 2: Convert to fraction form
    468,611.92/702,920.13 = 113,625.91/x
  3. Step 3: Cross multiply
    468,611.92x = 702,920.13 × 113,625.91
  4. Step 4: Simplify right side
    468,611.92x = 79,869,939,428.57
  5. Step 5: Solve for x
    x = 79,869,939,428.57/468,611.92
  6. Step 6: Final answer
    x = 170,439.41

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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.