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Finding the Fourth Proportional to 369,359.96, 554,138.64 and 132,704.69

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Solution

The fourth proportional to 369,359.96, 554,138.64 and 132,704.69 is: 199,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,359.96 : 554,138.64 = 132,704.69 : x
  2. Step 2: Convert to fraction form
    369,359.96/554,138.64 = 132,704.69/x
  3. Step 3: Cross multiply
    369,359.96x = 554,138.64 × 132,704.69
  4. Step 4: Simplify right side
    369,359.96x = 73,536,796,438.22
  5. Step 5: Solve for x
    x = 73,536,796,438.22/369,359.96
  6. Step 6: Final answer
    x = 199,092.50

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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.