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Finding the Fourth Proportional to 223,425.12, 334,948.89 and 96,969.75

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Solution

The fourth proportional to 223,425.12, 334,948.89 and 96,969.75 is: 145,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,425.12 : 334,948.89 = 96,969.75 : x
  2. Step 2: Convert to fraction form
    223,425.12/334,948.89 = 96,969.75/x
  3. Step 3: Cross multiply
    223,425.12x = 334,948.89 × 96,969.75
  4. Step 4: Simplify right side
    223,425.12x = 32,479,910,126.08
  5. Step 5: Solve for x
    x = 32,479,910,126.08/223,425.12
  6. Step 6: Final answer
    x = 145,372.69

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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.