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Finding the Fourth Proportional to 89,605.52, 123,674.28 and 53,797.04

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Solution

The fourth proportional to 89,605.52, 123,674.28 and 53,797.04 is: 74,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.52 : 123,674.28 = 53,797.04 : x
  2. Step 2: Convert to fraction form
    89,605.52/123,674.28 = 53,797.04/x
  3. Step 3: Cross multiply
    89,605.52x = 123,674.28 × 53,797.04
  4. Step 4: Simplify right side
    89,605.52x = 6,653,310,188.13
  5. Step 5: Solve for x
    x = 6,653,310,188.13/89,605.52
  6. Step 6: Final answer
    x = 74,251.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.