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Finding the Fourth Proportional to 369,322.43, 554,042.87 and 156,092.42

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Solution

The fourth proportional to 369,322.43, 554,042.87 and 156,092.42 is: 234,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,322.43 : 554,042.87 = 156,092.42 : x
  2. Step 2: Convert to fraction form
    369,322.43/554,042.87 = 156,092.42/x
  3. Step 3: Cross multiply
    369,322.43x = 554,042.87 × 156,092.42
  4. Step 4: Simplify right side
    369,322.43x = 86,481,888,811.37
  5. Step 5: Solve for x
    x = 86,481,888,811.37/369,322.43
  6. Step 6: Final answer
    x = 234,163.65

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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.