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Finding the Fourth Proportional to 239,553.67, 359,366.39 and 77,393.53

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Solution

The fourth proportional to 239,553.67, 359,366.39 and 77,393.53 is: 116,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,553.67 : 359,366.39 = 77,393.53 : x
  2. Step 2: Convert to fraction form
    239,553.67/359,366.39 = 77,393.53/x
  3. Step 3: Cross multiply
    239,553.67x = 359,366.39 × 77,393.53
  4. Step 4: Simplify right side
    239,553.67x = 27,812,633,485.46
  5. Step 5: Solve for x
    x = 27,812,633,485.46/239,553.67
  6. Step 6: Final answer
    x = 116,101.89

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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.