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Finding the Fourth Proportional to 369,882.54, 554,692.59 and 133,161.66

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Solution

The fourth proportional to 369,882.54, 554,692.59 and 133,161.66 is: 199,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,882.54 : 554,692.59 = 133,161.66 : x
  2. Step 2: Convert to fraction form
    369,882.54/554,692.59 = 133,161.66/x
  3. Step 3: Cross multiply
    369,882.54x = 554,692.59 × 133,161.66
  4. Step 4: Simplify right side
    369,882.54x = 73,863,786,074.10
  5. Step 5: Solve for x
    x = 73,863,786,074.10/369,882.54
  6. Step 6: Final answer
    x = 199,695.25

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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.