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Finding the Fourth Proportional to 369,321.92, 554,042.11 and 156,091.92

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Solution

The fourth proportional to 369,321.92, 554,042.11 and 156,091.92 is: 234,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,321.92 : 554,042.11 = 156,091.92 : x
  2. Step 2: Convert to fraction form
    369,321.92/554,042.11 = 156,091.92/x
  3. Step 3: Cross multiply
    369,321.92x = 554,042.11 × 156,091.92
  4. Step 4: Simplify right side
    369,321.92x = 86,481,496,710.75
  5. Step 5: Solve for x
    x = 86,481,496,710.75/369,321.92
  6. Step 6: Final answer
    x = 234,162.91

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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.