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Finding the Fourth Proportional to 222,741.66, 334,078.53 and 72,997.50

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Solution

The fourth proportional to 222,741.66, 334,078.53 and 72,997.50 is: 109,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,741.66 : 334,078.53 = 72,997.50 : x
  2. Step 2: Convert to fraction form
    222,741.66/334,078.53 = 72,997.50/x
  3. Step 3: Cross multiply
    222,741.66x = 334,078.53 × 72,997.50
  4. Step 4: Simplify right side
    222,741.66x = 24,386,897,493.68
  5. Step 5: Solve for x
    x = 24,386,897,493.68/222,741.66
  6. Step 6: Final answer
    x = 109,485.12

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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.