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Finding the Fourth Proportional to 235,528.52, 353,239.69 and 67,045.11

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Solution

The fourth proportional to 235,528.52, 353,239.69 and 67,045.11 is: 100,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,528.52 : 353,239.69 = 67,045.11 : x
  2. Step 2: Convert to fraction form
    235,528.52/353,239.69 = 67,045.11/x
  3. Step 3: Cross multiply
    235,528.52x = 353,239.69 × 67,045.11
  4. Step 4: Simplify right side
    235,528.52x = 23,682,993,872.42
  5. Step 5: Solve for x
    x = 23,682,993,872.42/235,528.52
  6. Step 6: Final answer
    x = 100,552.55

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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.