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Finding the Fourth Proportional to 222,969.12, 334,504.76 and 96,630.57

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Solution

The fourth proportional to 222,969.12, 334,504.76 and 96,630.57 is: 144,967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,969.12 : 334,504.76 = 96,630.57 : x
  2. Step 2: Convert to fraction form
    222,969.12/334,504.76 = 96,630.57/x
  3. Step 3: Cross multiply
    222,969.12x = 334,504.76 × 96,630.57
  4. Step 4: Simplify right side
    222,969.12x = 32,323,385,143.36
  5. Step 5: Solve for x
    x = 32,323,385,143.36/222,969.12
  6. Step 6: Final answer
    x = 144,967.99

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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.