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Finding the Fourth Proportional to 222,537, 333,858 and 72,776.70

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Solution

The fourth proportional to 222,537, 333,858 and 72,776.70 is: 109,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,537 : 333,858 = 72,776.70 : x
  2. Step 2: Convert to fraction form
    222,537/333,858 = 72,776.70/x
  3. Step 3: Cross multiply
    222,537x = 333,858 × 72,776.70
  4. Step 4: Simplify right side
    222,537x = 24,297,083,508.60
  5. Step 5: Solve for x
    x = 24,297,083,508.60/222,537
  6. Step 6: Final answer
    x = 109,182.22

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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.