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Finding the Fourth Proportional to 222,503.10, 333,791.04 and 72,699.90

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Solution

The fourth proportional to 222,503.10, 333,791.04 and 72,699.90 is: 109,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.10 : 333,791.04 = 72,699.90 : x
  2. Step 2: Convert to fraction form
    222,503.10/333,791.04 = 72,699.90/x
  3. Step 3: Cross multiply
    222,503.10x = 333,791.04 × 72,699.90
  4. Step 4: Simplify right side
    222,503.10x = 24,266,575,228.90
  5. Step 5: Solve for x
    x = 24,266,575,228.90/222,503.10
  6. Step 6: Final answer
    x = 109,061.74

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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.