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Finding the Fourth Proportional to 222,720, 334,099.47 and 56,508

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Solution

The fourth proportional to 222,720, 334,099.47 and 56,508 is: 84,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,720 : 334,099.47 = 56,508 : x
  2. Step 2: Convert to fraction form
    222,720/334,099.47 = 56,508/x
  3. Step 3: Cross multiply
    222,720x = 334,099.47 × 56,508
  4. Step 4: Simplify right side
    222,720x = 18,879,292,850.76
  5. Step 5: Solve for x
    x = 18,879,292,850.76/222,720
  6. Step 6: Final answer
    x = 84,766.94

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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.