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Finding the Fourth Proportional to 355,960.17, 534,020.24 and 119,296.80

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Solution

The fourth proportional to 355,960.17, 534,020.24 and 119,296.80 is: 178,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,960.17 : 534,020.24 = 119,296.80 : x
  2. Step 2: Convert to fraction form
    355,960.17/534,020.24 = 119,296.80/x
  3. Step 3: Cross multiply
    355,960.17x = 534,020.24 × 119,296.80
  4. Step 4: Simplify right side
    355,960.17x = 63,706,906,065.47
  5. Step 5: Solve for x
    x = 63,706,906,065.47/355,960.17
  6. Step 6: Final answer
    x = 178,972.01

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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.