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Finding the Fourth Proportional to 235,648.42, 353,419.37 and 67,165.11

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Solution

The fourth proportional to 235,648.42, 353,419.37 and 67,165.11 is: 100,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,648.42 : 353,419.37 = 67,165.11 : x
  2. Step 2: Convert to fraction form
    235,648.42/353,419.37 = 67,165.11/x
  3. Step 3: Cross multiply
    235,648.42x = 353,419.37 × 67,165.11
  4. Step 4: Simplify right side
    235,648.42x = 23,737,450,526.36
  5. Step 5: Solve for x
    x = 23,737,450,526.36/235,648.42
  6. Step 6: Final answer
    x = 100,732.49

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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.