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Finding the Fourth Proportional to 369,691.59, 554,537.44 and 89,208.84

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Solution

The fourth proportional to 369,691.59, 554,537.44 and 89,208.84 is: 133,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,691.59 : 554,537.44 = 89,208.84 : x
  2. Step 2: Convert to fraction form
    369,691.59/554,537.44 = 89,208.84/x
  3. Step 3: Cross multiply
    369,691.59x = 554,537.44 × 89,208.84
  4. Step 4: Simplify right side
    369,691.59x = 49,469,643,950.00
  5. Step 5: Solve for x
    x = 49,469,643,950.00/369,691.59
  6. Step 6: Final answer
    x = 133,813.28

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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.