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Finding the Fourth Proportional to 235,174.88, 352,806.06 and 77,414.42

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Solution

The fourth proportional to 235,174.88, 352,806.06 and 77,414.42 is: 116,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,174.88 : 352,806.06 = 77,414.42 : x
  2. Step 2: Convert to fraction form
    235,174.88/352,806.06 = 77,414.42/x
  3. Step 3: Cross multiply
    235,174.88x = 352,806.06 × 77,414.42
  4. Step 4: Simplify right side
    235,174.88x = 27,312,276,507.39
  5. Step 5: Solve for x
    x = 27,312,276,507.39/235,174.88
  6. Step 6: Final answer
    x = 116,136.03

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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.